A fear can be constituted-of-or-filled-with rats.Logical formLearned from7 sentences. A race can be constituted-of-or-filled-with rats.Logical formLearned from7 sentences. Rats can be exotic.Logical formLearned from7 sentences. A rat may be killed.Logical formLearned from7 sentences. A rat can be naked-tailed.Logical formLearned from7 sentences. A (swamp rat) can be species of rodent.Logical formLearned from7 sentences. A (grass rat) can be species of rodent.Logical formLearned from7 sentences. A city may pertain-to rats.Logical formLearned from7 sentences. Primary cultures can be constituted-of-or-filled-with rat.Logical formLearned from7 sentences. A rat can be friendly.Logical formLearned from7 sentences. Rats may gain weight.Logical formLearned from7 sentences. A (pet rat) may pertain-to a male.Logical formLearned from7 sentences. Cells can be from rats.Logical formLearned from7 sentences. A study can be in rats.Logical formLearned from7 sentences. Effects may be observed in rats.Logical formLearned from7 sentences.