Rats may undergo survival.Logical formLearned from9 sentences. (Lab rats) may pertain-to a male.Logical formLearned from9 sentences. A rat can be a model.Logical formLearned from9 sentences. Slice can be constituted-of-or-filled-with (rat brain).Logical formLearned from9 sentences. Study can be in rats.Logical formLearned from9 sentences. A part may pertain-to a (rat race).Logical formLearned from9 sentences. Studies may involve rats.Logical formLearned from9 sentences. Rats can be conditioned.Logical formLearned from9 sentences. A rat can be aggressive.Logical formLearned from9 sentences. Rats may undergo a collection.Logical formLearned from9 sentences. Rats may have an increase.Logical formLearned from9 sentences. Rats may be tested.Logical formLearned from9 sentences. Rats may come_out.Logical formLearned from9 sentences. A hippocampus may pertain-to a rat.Logical formLearned from9 sentences. Rats may show changes.Logical formLearned from9 sentences.