(Pit shafts) may be sunken.Logical formLearned from4 sentences. A function may pertain-to a pit.Logical formLearned from4 sentences. A pit can be mucous.Logical formLearned from4 sentences. Edges may pertain-to pits.Logical formLearned from4 sentences. A pit may be sunken.Logical formLearned from4 sentences. A pit can be a depression.Logical formLearned from4 sentences. A pit may be considered.Logical formLearned from4 sentences. A (pit area) may pertain-to a person.Logical formLearned from4 sentences. A border may pertain-to a pit.Logical formLearned from4 sentences. An open pit can be combined.Logical formLearned from4 sentences. A pit can be recessed.Logical formLearned from4 sentences. Pits can be constituted-of-or-filled-with death.Logical formLearned from4 sentences. Drivers may come into pits.Logical formLearned from4 sentences. Pits may pertain-to a zoo.Logical formLearned from4 sentences. Pit can be some hectare of interest.Logical formLearned from4 sentences.