Piles may be stacked.Logical formLearned from4 sentences. Piles can be constituted-of-or-filled-with houses.Logical formLearned from4 sentences. A pile can be sentimental.Logical formLearned from4 sentences. A pile can be with some cards.Logical formLearned from4 sentences. A pile can be harmless.Logical formLearned from4 sentences. A man may go by a pile of wood.Logical formLearned from4 sentences. Some piles can be constituted-of-or-filled-with rock.Logical formLearned from4 sentences. Piles can be constituted-of-or-filled-with (grass clippings).Logical formLearned from4 sentences. A pile can be constituted-of-or-filled-with (telephone directories).Logical formLearned from4 sentences. A pile can be constituted-of-or-filled-with sheepskin.Logical formLearned from4 sentences. A pile can be constituted-of-or-filled-with (news clippings).Logical formLearned from4 sentences. A pile can be constituted-of-or-filled-with candies.Logical formLearned from4 sentences. A pile can be mismatched.Logical formLearned from4 sentences. A pile may pertain-to a book.Logical formLearned from4 sentences. Piles can be constituted-of-or-filled-with (dog waste).Logical formLearned from4 sentences.