A chairman may pertain-to a library.Logical formLearned from11 sentences. An (executive chairman) may pertain-to a commission.Logical formLearned from11 sentences. A chairman may pertain-to a (security organization).Logical formLearned from11 sentences. A (vice chairman) may pertain-to a bank.Logical formLearned from11 sentences. A (state chairman) may pertain-to a US-city.Logical formLearned from11 sentences. A chairman may quit.Logical formLearned from11 sentences. Chairman may leave.Logical formLearned from11 sentences. A search can be for a chairman.Logical formLearned from11 sentences. Power can be as chairman.Logical formLearned from11 sentences. A tenure can be as (party chairman).Logical formLearned from11 sentences. A chairman may be hung.Logical formLearned from11 sentences. Chairman may pertain-to a (mining company).Logical formLearned from11 sentences. Comments can be by a chairman.Logical formLearned from11 sentences. A chairman may say in a (press release).Logical formLearned from11 sentences. A person may replace chairman.Logical formLearned from11 sentences.