A center may pertain-to a focus.Logical formLearned from95 sentences. A focus may pertain-to today.Logical formLearned from95 sentences. A focus may turn.Logical formLearned from94 sentences. A focus may pertain-to a dispute.Logical formLearned from94 sentences. A focus can be for persons.Logical formLearned from94 sentences. A focus may pertain-to a symposium.Logical formLearned from94 sentences. A focus can be on (customer service).Logical formLearned from94 sentences. A focus may pertain-to a man.Logical formLearned from94 sentences. A focus can be in a US-city.Logical formLearned from94 sentences. Persons may shift a focus.Logical formLearned from94 sentences. A focus can be disciplinary.Logical formLearned from94 sentences. A focus can be on science.Logical formLearned from93 sentences. A male may turn a focus.Logical formLearned from93 sentences. A focus can be on customers.Logical formLearned from93 sentences. A focus can be on content.Logical formLearned from93 sentences.