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: Mainland Southeast Asia | Statement: [Mon-Khmer, region, Mainland Southeast Asia]

Target entity: Mainland Southeast Asia
Context triple: [Mon-Khmer, region, Mainland Southeast Asia]

• A. Southeast Asia
  Southeast Asia is a geographically and culturally diverse region of Asia comprising countries such as Thailand, Vietnam, Indonesia, and Malaysia, situated between the Indian and Pacific Oceans.
• B. Indochinese Peninsula chosen
  The Indochinese Peninsula is a large mainland region of Southeast Asia encompassing countries such as Vietnam, Thailand, Cambodia, Laos, Myanmar, and parts of Malaysia, known for its diverse cultures, histories, and tropical landscapes.
• C. India–Southeast Asia
  India–Southeast Asia refers to the historical maritime and trade corridor linking the Indian subcontinent with the countries of Southeast Asia across the Bay of Bengal and surrounding seas.
• D. Malay Peninsula
  The Malay Peninsula is a long, narrow landmass in Southeast Asia that separates the Andaman Sea from the South China Sea and encompasses parts of modern-day Malaysia, Thailand, and Singapore.
• E. Maritime Southeast Asia
  Maritime Southeast Asia is the island-dominated subregion of Southeast Asia, including countries such as Indonesia, the Philippines, Malaysia (eastern part), Brunei, Singapore, and Timor-Leste, characterized by extensive archipelagos and maritime trade routes.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.