An index can be for energy.Logical formLearned from17 sentences. Indexes may ratchet on a price of oil.Logical formLearned from17 sentences. Indexes can be on a road.Logical formLearned from17 sentences. Indexes can be large-cap.Logical formLearned from17 sentences. A name can be in an index.Logical formLearned from17 sentences. Thousands can be constituted-of-or-filled-with (index cards).Logical formLearned from17 sentences. Some companies can be in a (stock index).Logical formLearned from17 sentences. An index may end unchanged.Logical formLearned from17 sentences. A (stock index) can be broad.Logical formLearned from17 sentences. A discount can be to an index.Logical formLearned from17 sentences. An index of help may want advertising from some newspapaer.Logical formLearned from17 sentences. A weighting can be on an index.Logical formLearned from17 sentences. An index may be calculated by an exchange.Logical formLearned from17 sentences. Prices may pay index.Logical formLearned from17 sentences. Components may pertain-to a (manufacturing index).Logical formLearned from17 sentences.