Chairman may pertain-to an (observer group).Logical formLearned from16 sentences. Chairman may pertain-to an utility.Logical formLearned from16 sentences. (Vice chairman) may pertain-to a military commission.Logical formLearned from16 sentences. A chairman may pertain-to a grouping.Logical formLearned from16 sentences. A chairman may announce a resignation.Logical formLearned from16 sentences. A chairman may pertain-to a general council.Logical formLearned from16 sentences. Power may pertain-to a chairman.Logical formLearned from16 sentences. A male may become chairman of a new company.Logical formLearned from16 sentences. Remarks can be by a chairman.Logical formLearned from16 sentences. Chairmen may pertain-to (budget committees).Logical formLearned from16 sentences. A chairman may pertain-to a watchdog.Logical formLearned from16 sentences. Chairman may pertain-to an (astronomy department).Logical formLearned from16 sentences. Chairman may pertain-to an advisory group.Logical formLearned from15 sentences. A (committee chairman) can be international.Logical formLearned from15 sentences. A chairman may tell a (press conference).Logical formLearned from15 sentences.