A back may pertain-to a truck.Logical formLearned from2 945 sentences. A back may pertain-to a bus.Logical formLearned from2 725 sentences. A back can be sore.Logical formLearned from2 556 sentences. A back may pertain-to a book.Logical formLearned from2 474 sentences. A back may hurt.Logical formLearned from2 450 sentences. A back may pertain-to a chair.Logical formLearned from2 275 sentences. A (back pocket) may pertain-to a male.Logical formLearned from2 046 sentences. A person can be on a back.Logical formLearned from1 941 sentences. A back may pertain-to minds.Logical formLearned from1 846 sentences. A back may be turned.Logical formLearned from1 720 sentences. A back may pertain-to a couch.Logical formLearned from1 635 sentences. A back may pertain-to a store.Logical formLearned from1 494 sentences. A back may pertain-to a plane.Logical formLearned from1 457 sentences. A (back pocket) may pertain-to a person.Logical formLearned from1 449 sentences. A back may pertain-to a building.Logical formLearned from1 435 sentences.