A den can be constituted-of-or-filled-with pups.Logical formLearned from2 sentences. (Rat pups) may undergo exposure.Logical formLearned from2 sentences. Pups may be provided.Logical formLearned from2 sentences. Pups can be blue.Logical formLearned from2 sentences. Pups may be removed from a cage.Logical formLearned from2 sentences. A female may give birth to a pup.Logical formLearned from2 sentences. Pups can be to disease.Logical formLearned from2 sentences. Pups may be located.Logical formLearned from2 sentences. A sign can be constituted-of-or-filled-with pups.Logical formLearned from2 sentences. Some pups may be killed by vehicles.Logical formLearned from2 sentences. Pups may be seen.Logical formLearned from2 sentences. Pups may be observed.Logical formLearned from2 sentences. Reports can be constituted-of-or-filled-with pups.Logical formLearned from2 sentences. Some pups may be seen in a pack.Logical formLearned from2 sentences. Pups may die.Logical formLearned from2 sentences.