A change can be in chairmen.Logical formLearned from7 sentences. (Vice chairman) may pertain-to a (task force).Logical formLearned from7 sentences. A person can be chairman of an economic-committee.Logical formLearned from7 sentences. Chairman may pertain-to a (space history division).Logical formLearned from7 sentences. A person may serve as chairman of a committee.Logical formLearned from7 sentences. Boards may have chairmen.Logical formLearned from7 sentences. A chairman may pertain-to a budget.Logical formLearned from7 sentences. A (committee chairman) may say that something-is-the-case.Logical formLearned from7 sentences. Chairmen can be constituted-of-or-filled-with political parties.Logical formLearned from7 sentences. Views may pertain-to a chairman.Logical formLearned from7 sentences. A chairman may appear.Logical formLearned from7 sentences. A bill may be sponsored by a chairman.Logical formLearned from7 sentences. A male may step_down as (committee chairman).Logical formLearned from7 sentences. A chairman may be paid.Logical formLearned from7 sentences. (Vice chairman) may pertain-to trustees.Logical formLearned from7 sentences.