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: Big 12 Conference | Statement: [Ellis Field, previousConferenceAffiliation, Big 12 Conference]

Target entity: Big 12 Conference
Context triple: [Ellis Field, previousConferenceAffiliation, Big 12 Conference]

• A. Big 12 Conference chosen
  The Big 12 Conference is a major NCAA Division I collegiate athletic conference in the United States, recognized as one of the top-tier "Power Five" leagues in college sports.
• B. Big Eight Conference
  The Big Eight Conference was a former major NCAA Division I athletic conference in the central United States that eventually merged to help form the Big 12 Conference.
• C. Sun Belt Conference
  The Sun Belt Conference is an NCAA Division I collegiate athletic conference primarily featuring universities from the southern United States, known especially for its football and basketball programs.
• D. Southwest Conference
  The Southwest Conference was a historic college athletic conference in the south-central United States, best known for featuring major Texas universities in NCAA competition before disbanding in the mid-1990s.
• E. Summit League
  The Summit League is an NCAA Division I collegiate athletic conference primarily comprising midwestern universities that compete in a range of sports.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: previousConferenceAffiliation
Context triple: [Ellis Field, previousConferenceAffiliation, Big 12 Conference]

• A. previousConferenceMembership chosen
  Indicates that an entity held membership in a conference or committee during a prior term or earlier time period.
• B. conferenceAffiliation
  Indicates that an entity is formally associated with or participates in a particular conference (e.g., as an organizer, sponsor, or member).
• C. formerConferenceAffiliationEnd
  Indicates the point in time when an entity’s previous conference affiliation officially ended.
• D. previousConferenceUse
  Indicates that something has been used in a prior conference or earlier conference-related context.
• E. conferenceAffiliationType
  Indicates the type or nature of an entity’s affiliation or association with a particular conference.
• F. None of above.