Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Polish–Soviet border agreement of 1951 | Statement: [Polish–Soviet relations, hasKeyTreaty, Polish–Soviet border agreement of 1951]

Target entity: Polish–Soviet border agreement of 1951
Context triple: [Polish–Soviet relations, hasKeyTreaty, Polish–Soviet border agreement of 1951]

• A. Polish–Soviet border agreement of 1945
  The Polish–Soviet border agreement of 1945 was a post–World War II treaty that definitively redrew the frontier between Poland and the Soviet Union, cementing major territorial shifts in Eastern Europe.
• B. Gdańsk Agreement
  The Gdańsk Agreement was a landmark 1980 accord between striking Polish workers and the communist government that legalized the Solidarity trade union and helped spark the decline of Soviet influence in Eastern Europe.
• C. Treaty of Warsaw (1970)
  The Treaty of Warsaw (1970) was a landmark agreement between West Germany and Poland in which West Germany recognized the Oder–Neisse line as Poland’s western border, easing Cold War tensions and advancing Willy Brandt’s Ostpolitik policy of reconciliation with Eastern Europe.
• D. Sikorski–Mayski agreement
  The Sikorski–Mayski agreement was a 1941 pact between the Polish government-in-exile and the Soviet Union that restored diplomatic relations and led to an "amnesty" for many Polish citizens imprisoned or deported in the USSR during World War II.
• E. Treaty of Warsaw
  The Treaty of Warsaw, formally known as the Treaty of Friendship, Cooperation and Mutual Assistance, was the 1955 founding pact of the Warsaw Pact, a Soviet-led military alliance of Eastern Bloc countries during the Cold War.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Polish–Soviet border agreement of 1951
Triple: [Polish–Soviet relations, hasKeyTreaty, Polish–Soviet border agreement of 1951]

The Polish–Soviet border agreement of 1951 was a Cold War-era treaty between the People's Republic of Poland and the Soviet Union that adjusted their mutual frontier through a territorial exchange intended to consolidate political and economic control in the border regions.

Target entity: Polish–Soviet border agreement of 1951
Target entity description: The Polish–Soviet border agreement of 1951 was a Cold War-era treaty between the People's Republic of Poland and the Soviet Union that adjusted their mutual frontier through a territorial exchange intended to consolidate political and economic control in the border regions.

• A. Polish–Soviet border agreement of 1945
  The Polish–Soviet border agreement of 1945 was a post–World War II treaty that definitively redrew the frontier between Poland and the Soviet Union, cementing major territorial shifts in Eastern Europe.
• B. Gdańsk Agreement
  The Gdańsk Agreement was a landmark 1980 accord between striking Polish workers and the communist government that legalized the Solidarity trade union and helped spark the decline of Soviet influence in Eastern Europe.
• C. Treaty of Warsaw (1970)
  The Treaty of Warsaw (1970) was a landmark agreement between West Germany and Poland in which West Germany recognized the Oder–Neisse line as Poland’s western border, easing Cold War tensions and advancing Willy Brandt’s Ostpolitik policy of reconciliation with Eastern Europe.
• D. Sikorski–Mayski agreement
  The Sikorski–Mayski agreement was a 1941 pact between the Polish government-in-exile and the Soviet Union that restored diplomatic relations and led to an "amnesty" for many Polish citizens imprisoned or deported in the USSR during World War II.
• E. Treaty of Warsaw
  The Treaty of Warsaw, formally known as the Treaty of Friendship, Cooperation and Mutual Assistance, was the 1955 founding pact of the Warsaw Pact, a Soviet-led military alliance of Eastern Bloc countries during the Cold War.
• F. None of above. chosen