Rats can be in walls.Logical formLearned from9 sentences. (Bladder cancer) can be in rats.Logical formLearned from9 sentences. An effect can be in rats.Logical formLearned from9 sentences. Tests may be performed on rats.Logical formLearned from9 sentences. A (rat race) may pertain-to a person.Logical formLearned from9 sentences. Rats can be restricted.Logical formLearned from9 sentences. Rats may be self-administered.Logical formLearned from9 sentences. Rats may be raised in environments.Logical formLearned from9 sentences. Studies may be conducted on rats.Logical formLearned from9 sentences. Injury can be in rats.Logical formLearned from9 sentences. Armies can be constituted-of-or-filled-with rats.Logical formLearned from9 sentences. A person may take a rat.Logical formLearned from9 sentences. Rats can be in cells.Logical formLearned from9 sentences. A cat may smell a rat.Logical formLearned from9 sentences. Some rats may be killed.Logical formLearned from9 sentences.