A hand can be on a back.Logical formLearned from323 sentences. A back may pertain-to a courtroom.Logical formLearned from319 sentences. A back may pertain-to a body.Logical formLearned from316 sentences. A (back pocket) may pertain-to a female.Logical formLearned from316 sentences. A pain can be in a back.Logical formLearned from315 sentences. A male may lie-flat on a back.Logical formLearned from313 sentences. A back may pertain-to a theater.Logical formLearned from313 sentences. A (head back) may pertain-to a person.Logical formLearned from304 sentences. A back may pertain-to a cab.Logical formLearned from304 sentences. A back may pertain-to a horse.Logical formLearned from299 sentences. A back may pertain-to a boy.Logical formLearned from299 sentences. A back of parcels may be stamped with a (return address).Logical formLearned from297 sentences. A curve may pertain-to a back.Logical formLearned from297 sentences. A back may pertain-to a bar.Logical formLearned from296 sentences. Backs may pertain-to thighs.Logical formLearned from295 sentences.