Conventions can be past.Logical formLearned from50 sentences. A US-president may speak at a convention.Logical formLearned from50 sentences. Conventions may pertain-to a female.Logical formLearned from50 sentences. A convention can be on conventional weapons.Logical formLearned from50 sentences. A convention may go into effect.Logical formLearned from50 sentences. A convention may undergo importance.Logical formLearned from50 sentences. A convention can be an instrument.Logical formLearned from49 sentences. Convention can be on biological diversity.Logical formLearned from49 sentences. A convention may be held in a US-city.Logical formLearned from49 sentences. A person may see from a convention.Logical formLearned from49 sentences. A political-leader may attend a convention.Logical formLearned from49 sentences. A (convention center) can be in a US-city.Logical formLearned from49 sentences. A signatory may pertain-to a convention.Logical formLearned from49 sentences. An european convention can be on human rights.Logical formLearned from49 sentences. A president may address a convention.Logical formLearned from49 sentences.