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: Ia Drang Valley | Statement: [We Were Soldiers, setInPlace, Ia Drang Valley]

Target entity: Ia Drang Valley
Context triple: [We Were Soldiers, setInPlace, Ia Drang Valley]

• A. Battle of Ia Drang chosen
  The Battle of Ia Drang was a pivotal 1965 engagement between U.S. and North Vietnamese forces that marked the first major large-scale helicopter air assault and set the tone for American ground combat in the Vietnam War.
• B. Battle of Con Thien
  The Battle of Con Thien was a protracted and intense 1967 Vietnam War engagement near the Demilitarized Zone, marked by heavy artillery duels, siege-like conditions, and significant U.S. Marine and North Vietnamese casualties.
• C. Khe Sanh
  Khe Sanh is a town in Quảng Trị Province, Vietnam, best known as the site of a major and prolonged siege during the Vietnam War.
• D. Battle of Pleiku
  The Battle of Pleiku was a 1965 Viet Cong attack on a U.S. base in Vietnam’s Central Highlands that prompted major American escalation and the sustained bombing campaign known as Operation Rolling Thunder.
• E. Battle of Khe Sanh
  The Battle of Khe Sanh was a major and protracted siege in early 1968 in which U.S. Marines and South Vietnamese forces defended a remote base against a large-scale North Vietnamese assault, becoming one of the most famous and controversial engagements of the Vietnam War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.