A chairman of a national-agency may express optimism.Logical formLearned from7 sentences. A chairman can be brash.Logical formLearned from7 sentences. A male may serve as a (board chairman).Logical formLearned from7 sentences. A male may become chairman of a rules-committee.Logical formLearned from7 sentences. A (board chairman) may pertain-to an institute.Logical formLearned from7 sentences. A person can be (vice chairman) of a panel.Logical formLearned from7 sentences. A male may serve as chairman of a board of a company.Logical formLearned from7 sentences. A male can be for chairman of a national-agency.Logical formLearned from7 sentences. Chairman may pertain-to an (accounting board).Logical formLearned from7 sentences. A person can be chairman of an administration-committee.Logical formLearned from7 sentences. A chairman may pertain-to a governor.Logical formLearned from7 sentences. A (deputy chairman) can be one-time.Logical formLearned from7 sentences. A company may have a chairman.Logical formLearned from7 sentences. Chairman may pertain-to a parade.Logical formLearned from7 sentences. A male may head as chairman.Logical formLearned from7 sentences.