A chairman may express regret.Logical formLearned from10 sentences. A chairman may pertain-to an editorial board.Logical formLearned from10 sentences. A male may serve as chairman of an executive committee.Logical formLearned from10 sentences. A person may serve as chairman of a commission.Logical formLearned from10 sentences. A desk may pertain-to a chairman.Logical formLearned from10 sentences. A family may pertain-to a chairman.Logical formLearned from10 sentences. A chairman may be appointed by a president.Logical formLearned from10 sentences. Chairman may pertain-to a puppet.Logical formLearned from10 sentences. A chairman may be clarified.Logical formLearned from10 sentences. Chairmen may pertain-to opposition.Logical formLearned from10 sentences. A male may be named as chairman.Logical formLearned from10 sentences. A chairman can be brilliant.Logical formLearned from10 sentences. Chairman may pertain-to a local council.Logical formLearned from10 sentences. A (bid chairman) may pertain-to a country.Logical formLearned from10 sentences. A chairman may pertain-to a (tournament committee).Logical formLearned from10 sentences.