A back may pertain-to t-shirts.Logical formLearned from180 sentences. A back may feel better.Logical formLearned from179 sentences. Back can be to the future.Logical formLearned from179 sentences. A back can be brown.Logical formLearned from178 sentences. Injuries can be to a back.Logical formLearned from178 sentences. Tightness can be in a back.Logical formLearned from178 sentences. A back may pertain-to a bench.Logical formLearned from177 sentences. A back may pertain-to a tv.Logical formLearned from176 sentences. Backs can be sore.Logical formLearned from175 sentences. A back of a belt can be elastic.Logical formLearned from175 sentences. Backs can be cut.Logical formLearned from175 sentences. A self-tie can be at a back.Logical formLearned from174 sentences. A back can be curved.Logical formLearned from174 sentences. A back may pertain-to a picture.Logical formLearned from173 sentences. A back may pertain-to a bag.Logical formLearned from173 sentences.