A convention may be opened for signature.Logical formLearned from47 sentences. Obligations can be under conventions.Logical formLearned from47 sentences. Some persons can be at a convention.Logical formLearned from47 sentences. A role can be in a convention.Logical formLearned from47 sentences. A convention can be contested.Logical formLearned from47 sentences. A convention may pertain-to a bar-association.Logical formLearned from47 sentences. A convention can be in town.Logical formLearned from47 sentences. Everyone can be at a convention.Logical formLearned from47 sentences. A convention may pertain-to a year.Logical formLearned from47 sentences. Conventions may pertain-to a party.Logical formLearned from47 sentences. A (convention hall) can be packed.Logical formLearned from47 sentences. Conventions may undergo an interpretation.Logical formLearned from47 sentences. A convention may close.Logical formLearned from47 sentences. A (nominating convention) can be in a US-city.Logical formLearned from47 sentences. A (convention center) can be downtown.Logical formLearned from46 sentences.