A male may become chairman of a committee.Logical formLearned from9 sentences. Chairman may pertain-to a directorate.Logical formLearned from9 sentences. A person can be a chairman of a board of trustees.Logical formLearned from9 sentences. A chairman may pertain-to a canadian-province.Logical formLearned from9 sentences. A chairman may pertain-to an orchestra.Logical formLearned from9 sentences. A professor can be a chairman.Logical formLearned from9 sentences. A chairman may pertain-to a symposium.Logical formLearned from9 sentences. A chairman may undergo comments.Logical formLearned from9 sentences. A male may become (committee chairman).Logical formLearned from9 sentences. A female may take_over as chairman.Logical formLearned from9 sentences. A suggestion may pertain-to a chairman.Logical formLearned from9 sentences. A person may ask a chairman.Logical formLearned from9 sentences. Remarks can be by a chairman.Logical formLearned from9 sentences. A person may congratulate a chairman.Logical formLearned from9 sentences. A chairman can be energetic.Logical formLearned from9 sentences.