A president may have some days.Logical formLearned from81 sentences. Attacks can be on a president.Logical formLearned from81 sentences. A president may pertain-to a (world governing body).Logical formLearned from81 sentences. Demonstrations can be against a president.Logical formLearned from81 sentences. A president can be incapacitated.Logical formLearned from81 sentences. A president can be long-term.Logical formLearned from80 sentences. A president can be qualified.Logical formLearned from80 sentences. A challenge can be for a president.Logical formLearned from80 sentences. A president can be deaf.Logical formLearned from80 sentences. A male can be for a president.Logical formLearned from80 sentences. President may pertain-to a museum.Logical formLearned from80 sentences. Executive (vice president) may pertain-to a division.Logical formLearned from80 sentences. A (vice president) can be for a country.Logical formLearned from80 sentences. A president may make an effort.Logical formLearned from80 sentences. A president may observe that something-is-the-case.Logical formLearned from80 sentences.