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: Iowa state boundary | Statement: [Iowa–Illinois state line, partOf, Iowa state boundary]

Target entity: Iowa state boundary
Context triple: [Iowa–Illinois state line, partOf, Iowa state boundary]

• A. Iowa–South Dakota border
  The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.
• B. Iowa–Minnesota border
  The Iowa–Minnesota border is the state line separating Iowa and Minnesota in the Midwestern United States, largely following straight survey lines with some sections defined by rivers.
• C. Nebraska–Iowa border
  The Nebraska–Iowa border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Iowa to the east.
• D. Iowa–Illinois state line
  The Iowa–Illinois state line is the boundary separating the U.S. states of Iowa and Illinois, running largely along the Mississippi River and defining part of the border between the Midwest states.
• E. Missouri–Iowa border
  The Missouri–Iowa border is the state line in the Midwestern United States separating Missouri and Iowa, running largely east–west near the 40th parallel north.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Iowa state boundary
Target entity description: The Iowa state boundary is the legally defined perimeter that separates the U.S. state of Iowa from its neighboring states, following rivers and surveyed lines to mark its territorial limits.

• A. Iowa–South Dakota border
  The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.
• B. Iowa–Minnesota border
  The Iowa–Minnesota border is the state line separating Iowa and Minnesota in the Midwestern United States, largely following straight survey lines with some sections defined by rivers.
• C. Nebraska–Iowa border
  The Nebraska–Iowa border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Iowa to the east.
• D. Iowa–Illinois state line
  The Iowa–Illinois state line is the boundary separating the U.S. states of Iowa and Illinois, running largely along the Mississippi River and defining part of the border between the Midwest states.
• E. Missouri–Iowa border
  The Missouri–Iowa border is the state line in the Midwestern United States separating Missouri and Iowa, running largely east–west near the 40th parallel north.
• F. None of above. chosen