A (roller derby league) may be based in a US-city.Logical formLearned from21 sentences. A film may be based on some novel.Logical formLearned from21 sentences. A film may be based on some film.Logical formLearned from21 sentences. An independent (record label) may be based.Logical formLearned from21 sentences. Some years may be based in a world-city.Logical formLearned from21 sentences. A retailer may be based in a US-city.Logical formLearned from21 sentences. Htmls may be based.Logical formLearned from21 sentences. Laboratory may be based.Logical formLearned from21 sentences. A film may be based on a show.Logical formLearned from21 sentences. A pharmaceutical company may be based in a country.Logical formLearned from21 sentences. A female may be based on a character.Logical formLearned from21 sentences. A district may be based in suburbs of a US-city.Logical formLearned from21 sentences. A professional (wrestling promotion) may be based in a US-city.Logical formLearned from21 sentences. A (football team) may be based in a US-city.Logical formLearned from21 sentences. A song may be based on a poem.Logical formLearned from21 sentences.