A person may break a back.Logical formLearned from268 sentences. A back may pertain-to a fridge.Logical formLearned from267 sentences. Backs may pertain-to knees.Logical formLearned from267 sentences. A person may pat him-or-herself on a back.Logical formLearned from266 sentences. A person may lay on a back.Logical formLearned from264 sentences. A male may rub a back of a neck.Logical formLearned from259 sentences. Backs may be turned.Logical formLearned from259 sentences. Backs may pertain-to heads.Logical formLearned from259 sentences. A male may hurt a back.Logical formLearned from257 sentences. A disk can be in a back.Logical formLearned from254 sentences. A back may pertain-to a hotel.Logical formLearned from253 sentences. A stab can be in a back.Logical formLearned from253 sentences. A back can be to a door.Logical formLearned from252 sentences. Brother may put a back.Logical formLearned from250 sentences. A slap can be on a back.Logical formLearned from250 sentences.