A letter can be to a chairman.Logical formLearned from13 sentences. A person can be a (vice chairman) of a company.Logical formLearned from13 sentences. A chairman may pertain-to a (development corporation).Logical formLearned from13 sentences. A headquarters may pertain-to a chairman.Logical formLearned from13 sentences. A letter may be signed by a chairman.Logical formLearned from13 sentences. A chairman can be on a judiciary-committee.Logical formLearned from13 sentences. Chairmen may pertain-to an exchange-commission.Logical formLearned from13 sentences. A chairman may pertain-to a carrier.Logical formLearned from13 sentences. A person can be chairman of a board of trustees.Logical formLearned from13 sentences. Chairman may pertain-to a (democratic party).Logical formLearned from13 sentences. Chairman can be under a president.Logical formLearned from13 sentences. A person may retire as chairman of a company.Logical formLearned from13 sentences. A male may assume a position of chairman.Logical formLearned from13 sentences. A person can be chairman of a campaign-committee.Logical formLearned from13 sentences. A male can be chairman of a budget-committee.Logical formLearned from13 sentences.