A team may be based in a US-city.Logical formLearned from131 sentences. A column may be based on a story.Logical formLearned from131 sentences. A system may be based.Logical formLearned from130 sentences. An analyst may be based in a world-city.Logical formLearned from130 sentences. A journalist may be based in a world-city.Logical formLearned from130 sentences. Research may be based.Logical formLearned from129 sentences. A newspaper may be based in a world-city.Logical formLearned from129 sentences. Software may be based.Logical formLearned from128 sentences. A (consulting firm) may be based in a US-city.Logical formLearned from128 sentences. An economist may be based in a world-city.Logical formLearned from128 sentences. Treatment may be based on race.Logical formLearned from127 sentences. An argument may be based.Logical formLearned from127 sentences. A survey may be based on responses.Logical formLearned from127 sentences. Decisions may be based on data.Logical formLearned from126 sentences. A decision may be based on information.Logical formLearned from126 sentences.