Rats may undergo invasions.Logical formLearned from23 sentences. (Lab rats) can be white.Logical formLearned from23 sentences. A male can be (gym rat).Logical formLearned from23 sentences. A plague can be constituted-of-or-filled-with rats.Logical formLearned from23 sentences. Brains may pertain-to rats.Logical formLearned from23 sentences. Fleas can be from rats.Logical formLearned from23 sentences. An ass may pertain-to rat.Logical formLearned from22 sentences. A person can be (lab rat).Logical formLearned from22 sentences. A family can be constituted-of-or-filled-with rats.Logical formLearned from22 sentences. A patoot may pertain-to a rat.Logical formLearned from22 sentences. Large numbers can be constituted-of-or-filled-with rats.Logical formLearned from22 sentences. Rats may be raised in an environment.Logical formLearned from22 sentences. A strain can be constituted-of-or-filled-with rats.Logical formLearned from22 sentences. A study can be with rats.Logical formLearned from21 sentences. A rat can be cultured.Logical formLearned from21 sentences.