(Coal pits) may pertain-to a nobleman.Logical formLearned from3 sentences. Pits may pertain-to (mining operations).Logical formLearned from3 sentences. A collar may pertain-to a pit.Logical formLearned from3 sentences. Pits may undergo a flooding.Logical formLearned from3 sentences. Pits can be constituted-of-or-filled-with some metres.Logical formLearned from3 sentences. A (pit gold mine) can be combined.Logical formLearned from3 sentences. An area can be around pits.Logical formLearned from3 sentences. Sides may pertain-to pits.Logical formLearned from3 sentences. Pit may cease production.Logical formLearned from3 sentences. Pits may undergo a development.Logical formLearned from3 sentences. A cargo can be constituted-of-or-filled-with (pit props).Logical formLearned from3 sentences. A (picnic area) can be with (horseshoe pits).Logical formLearned from3 sentences. Some pit may be sunken to some yards.Logical formLearned from3 sentences. Some companies can be constituted-of-or-filled-with (pit fiends).Logical formLearned from3 sentences. Pit can be (coal mine).Logical formLearned from3 sentences.