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: Vietnam War era | Statement: [Who'll Stop the Rain, hasEra, Vietnam War era]

Target entity: Vietnam War era
Context triple: [Who'll Stop the Rain, hasEra, Vietnam War era]

• A. Vietnam War chosen
  The Vietnam War was a protracted Cold War-era conflict in Southeast Asia, primarily between communist North Vietnam and U.S.-backed South Vietnam, that profoundly shaped global politics, military strategy, and American society.
• B. Vietnam 1967–68
  Vietnam 1967–68 refers to the period of the Vietnam War during which Australian forces, including the 7th Battalion, Royal Australian Regiment, were actively engaged in combat operations in South Vietnam.
• C. Vietnam 1969–1970
  Vietnam 1969–1970 is a battle honour awarded to military units, such as the 6th Battalion, Royal Australian Regiment, for their service and participation in combat operations during the Vietnam War in those years.
• D. Vietnam 1966–1967
  Vietnam 1966–1967 refers to the period of the Vietnam War during which the 6th Battalion, Royal Australian Regiment distinguished itself in combat operations, earning a formal battle honour for its service.
• E. post-Tet Offensive phase of Vietnam War
  The post-Tet Offensive phase of the Vietnam War was the period after early 1968 marked by declining U.S. public support, a shift toward Vietnamization and troop withdrawals, and an eventual move from large-scale American combat operations to negotiated settlement and disengagement.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.