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: Frederick IV, Duke of Holstein-Gottorp | Statement: [Hedvig Sophia of Sweden, spouse, Frederick IV, Duke of Holstein-Gottorp]

Target entity: Frederick IV, Duke of Holstein-Gottorp
Context triple: [Hedvig Sophia of Sweden, spouse, Frederick IV, Duke of Holstein-Gottorp]

• A. Frederick V of Denmark
  Frederick V of Denmark was an 18th-century king of Denmark and Norway known for his relatively peaceful reign and patronage of the arts.
• B. Frederick II of Denmark
  Frederick II of Denmark was a 16th-century king of Denmark and Norway known for consolidating royal power, engaging in the Northern Seven Years' War, and patronizing Renaissance culture.
• C. Frederick III of Denmark
  Frederick III of Denmark was a 17th-century king of Denmark and Norway best known for consolidating absolute monarchy after the Dano-Swedish wars.
• D. Frederick IV of Denmark–Norway
  Frederick IV of Denmark–Norway was an early 18th-century king who modernized his realms and played a major role in the Great Northern War against Sweden.
• E. Frederick IX of Denmark
  Frederick IX of Denmark was the King of Denmark from 1947 to 1972, known for modernizing the monarchy and being the father of the current queen, Margrethe II.
• 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: Frederick IV, Duke of Holstein-Gottorp
Triple: [Hedvig Sophia of Sweden, spouse, Frederick IV, Duke of Holstein-Gottorp]

Frederick IV, Duke of Holstein-Gottorp, was a late 17th- to early 18th-century German prince of the House of Holstein-Gottorp who ruled a duchy in the Holy Roman Empire and was closely connected by marriage to the Swedish royal family.

Target entity: Frederick IV, Duke of Holstein-Gottorp
Target entity description: Frederick IV, Duke of Holstein-Gottorp, was a late 17th- to early 18th-century German prince of the House of Holstein-Gottorp who ruled a duchy in the Holy Roman Empire and was closely connected by marriage to the Swedish royal family.

• A. Frederick V of Denmark
  Frederick V of Denmark was an 18th-century king of Denmark and Norway known for his relatively peaceful reign and patronage of the arts.
• B. Frederick II of Denmark
  Frederick II of Denmark was a 16th-century king of Denmark and Norway known for consolidating royal power, engaging in the Northern Seven Years' War, and patronizing Renaissance culture.
• C. Frederick III of Denmark
  Frederick III of Denmark was a 17th-century king of Denmark and Norway best known for consolidating absolute monarchy after the Dano-Swedish wars.
• D. Frederick IV of Denmark–Norway
  Frederick IV of Denmark–Norway was an early 18th-century king who modernized his realms and played a major role in the Great Northern War against Sweden.
• E. Frederick IX of Denmark
  Frederick IX of Denmark was the King of Denmark from 1947 to 1972, known for modernizing the monarchy and being the father of the current queen, Margrethe II.
• F. None of above. chosen