A (rat race) can be daily.Logical formLearned from17 sentences. Users can be rats.Logical formLearned from17 sentences. A carcinogen can be in rats.Logical formLearned from17 sentences. A rat may undergo a use.Logical formLearned from17 sentences. Rats can be relentless.Logical formLearned from17 sentences. Rats can be middle-aged.Logical formLearned from17 sentences. A female may smell a rat.Logical formLearned from17 sentences. Rats can be younger.Logical formLearned from17 sentences. Rats may begin.Logical formLearned from16 sentences. A member may pertain-to (mall rats).Logical formLearned from16 sentences. (Reproduction studies) can be in rats.Logical formLearned from16 sentences. A (toxicity study) can be in rats.Logical formLearned from16 sentences. Rats can be thirsty.Logical formLearned from16 sentences. Neurons can be in rats.Logical formLearned from16 sentences. (Lab rats) may push a (pleasure button).Logical formLearned from16 sentences.