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: Leo IV of Armenia | Statement: [Constantine II of Armenia, predecessor, Leo IV of Armenia]

Target entity: Leo IV of Armenia
Context triple: [Constantine II of Armenia, predecessor, Leo IV of Armenia]

• A. Leo I of Armenia
  Leo I of Armenia was a medieval Armenian king who significantly strengthened and expanded the Armenian principality in Cilicia, laying foundations for its later elevation to a kingdom.
• B. Leo II of Armenia
  Leo II of Armenia was a 13th-century king of the Armenian Kingdom of Cilicia and a prominent ruler from the French-origin Lusignan dynasty who played a key role in the politics of the Crusader states.
• C. Leo V of Armenia
  Leo V of Armenia was the final king of the Armenian Kingdom of Cilicia, remembered for his resistance against Mamluk conquest and his subsequent captivity and exile in Europe.
• D. Artavasdes IV of Armenia
  Artavasdes IV of Armenia was a little-known and possibly legendary monarch of ancient Armenia, mentioned in some sources as an earlier ruler in the Artaxiad line preceding Tigranes V.
• E. Gagik II of Armenia
  Gagik II of Armenia was the final king of the medieval Bagratid Armenian kingdom, ruling in the 11th century before its annexation by the Byzantine Empire.
• 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: Leo IV of Armenia
Triple: [Constantine II of Armenia, predecessor, Leo IV of Armenia]

Leo IV of Armenia was a medieval Armenian monarch of the Rubenid dynasty who ruled the Armenian Kingdom of Cilicia in the 14th century.

Target entity: Leo IV of Armenia
Target entity description: Leo IV of Armenia was a medieval Armenian monarch of the Rubenid dynasty who ruled the Armenian Kingdom of Cilicia in the 14th century.

• A. Leo I of Armenia
  Leo I of Armenia was a medieval Armenian king who significantly strengthened and expanded the Armenian principality in Cilicia, laying foundations for its later elevation to a kingdom.
• B. Leo II of Armenia
  Leo II of Armenia was a 13th-century king of the Armenian Kingdom of Cilicia and a prominent ruler from the French-origin Lusignan dynasty who played a key role in the politics of the Crusader states.
• C. Leo V of Armenia
  Leo V of Armenia was the final king of the Armenian Kingdom of Cilicia, remembered for his resistance against Mamluk conquest and his subsequent captivity and exile in Europe.
• D. Artavasdes IV of Armenia
  Artavasdes IV of Armenia was a little-known and possibly legendary monarch of ancient Armenia, mentioned in some sources as an earlier ruler in the Artaxiad line preceding Tigranes V.
• E. Gagik II of Armenia
  Gagik II of Armenia was the final king of the medieval Bagratid Armenian kingdom, ruling in the 11th century before its annexation by the Byzantine Empire.
• F. None of above. chosen