A distance can be between centers.Logical formLearned from31 sentences. (Population centers) can be dense.Logical formLearned from31 sentences. A center can be for some years.Logical formLearned from31 sentences. An (adoption center) can be for cats.Logical formLearned from31 sentences. A (service center) may pertain-to persons.Logical formLearned from31 sentences. A center may pertain-to a message.Logical formLearned from31 sentences. A (criminal justice training center) may pertain-to a us-state.Logical formLearned from31 sentences. A (customer service center) may pertain-to persons.Logical formLearned from31 sentences. A center may pertain-to a world-they.Logical formLearned from31 sentences. Persons can be in a center.Logical formLearned from31 sentences. Activities may pertain-to a center.Logical formLearned from31 sentences. A center may pertain-to a mound.Logical formLearned from31 sentences. A center may pertain-to an aisle.Logical formLearned from31 sentences. Persons can be a center of attention.Logical formLearned from31 sentences. (Distribution centers) may be crippled by some days of technical problems.Logical formLearned from31 sentences.