An ear may pertain-to a rat.Logical formLearned from7 sentences. A rat may disappear.Logical formLearned from7 sentences. A rat can be juvenile.Logical formLearned from7 sentences. (Brain cells) can be in rats.Logical formLearned from7 sentences. (Pack rats) may pertain-to the world.Logical formLearned from7 sentences. A military-commander may look at a rat.Logical formLearned from7 sentences. Rats may be kept in darkness.Logical formLearned from7 sentences. (Chest muscles) may pertain-to rats.Logical formLearned from7 sentences. A man may throw a (bronze rat).Logical formLearned from7 sentences. A male may buy a (bronze rat).Logical formLearned from7 sentences. A female may have a pet rat.Logical formLearned from7 sentences. A picture may show a rat.Logical formLearned from7 sentences. Persons may use rats.Logical formLearned from7 sentences. Rats may be studied.Logical formLearned from7 sentences. Rats can be on a ship.Logical formLearned from7 sentences.