Teeth may pertain-to a rat.Logical formLearned from5 sentences. A brother can be a rat.Logical formLearned from5 sentences. A male may live with (field rats).Logical formLearned from5 sentences. Researcher may study effects of an operation on rats.Logical formLearned from5 sentences. A handful can be constituted-of-or-filled-with (pack rats).Logical formLearned from5 sentences. Rats can be in some groups.Logical formLearned from5 sentences. (Liver cancer) can be in rats.Logical formLearned from5 sentences. Rats may scamper across floors.Logical formLearned from5 sentences. A man may love a naked (mole rat).Logical formLearned from5 sentences. A system of smell may discover in rats.Logical formLearned from5 sentences. Rats may eat a diet.Logical formLearned from5 sentences. A rat may be gone.Logical formLearned from5 sentences. A battle can be against rats.Logical formLearned from5 sentences. Rats may prowl a floor.Logical formLearned from5 sentences. Rats may do a bit.Logical formLearned from5 sentences.