(Fear conditioning) can be in rats.Logical formLearned from6 sentences. A behavior may pertain-to rats.Logical formLearned from6 sentences. Regions may pertain-to a (rat brain).Logical formLearned from6 sentences. A rat can be awake.Logical formLearned from6 sentences. A tail may pertain-to a rat.Logical formLearned from6 sentences. Some rats can be from a group.Logical formLearned from6 sentences. Rats may be anaesthetised with phenobarbital.Logical formLearned from6 sentences. Rats can be in particular.Logical formLearned from6 sentences. An eye may pertain-to a rat.Logical formLearned from6 sentences. A rat can be in an affair.Logical formLearned from6 sentences. A rat may undergo a killing.Logical formLearned from6 sentences. A world can be constituted-of-or-filled-with (sewer rats).Logical formLearned from6 sentences. Exposure can be to (rat poison).Logical formLearned from6 sentences. A (rat population) may explode.Logical formLearned from6 sentences. Rats may like a flavor of apples.Logical formLearned from6 sentences.