An index can be constituted-of-or-filled-with documents.Logical formLearned from61 sentences. An index can be a tool.Logical formLearned from61 sentences. An index can be negative.Logical formLearned from61 sentences. An index may soar some points.Logical formLearned from61 sentences. (Index futures) may undergo an expiration.Logical formLearned from61 sentences. A (stock index) may open.Logical formLearned from61 sentences. A (nikkei-225 index) may gain some percent to some points.Logical formLearned from61 sentences. A loss may pertain-to an index.Logical formLearned from61 sentences. A (consumer price index) may jump some percent.Logical formLearned from61 sentences. An index may pertain-to companies.Logical formLearned from60 sentences. An index may slide.Logical formLearned from60 sentences. An index can be lifted.Logical formLearned from60 sentences. A (consumer price index) may pertain-to a nation.Logical formLearned from60 sentences. An index may pertain-to a character.Logical formLearned from60 sentences. Indexes may end.Logical formLearned from60 sentences.