A chairman may pertain-to an (energy giant).Logical formLearned from7 sentences. A disagreement can be with chairman.Logical formLearned from7 sentences. Chairman may arrive.Logical formLearned from7 sentences. A delegation may be led by a chairman.Logical formLearned from7 sentences. (Vice chairman) may be elected.Logical formLearned from7 sentences. A chairman may hold some percent.Logical formLearned from7 sentences. Chairman may pertain-to an (oil group).Logical formLearned from7 sentences. Chairman may pertain-to a lender.Logical formLearned from7 sentences. Chairman may quit.Logical formLearned from7 sentences. A chairman may pertain-to a national assembly.Logical formLearned from7 sentences. Chairman may undergo a re-election.Logical formLearned from7 sentences. A (surprise departure) may pertain-to a chairman.Logical formLearned from7 sentences. A chairman may pertain-to an iraqi (governing council).Logical formLearned from7 sentences. Chairman may say in a (company statement).Logical formLearned from7 sentences. A meeting can be between chairman.Logical formLearned from7 sentences.