Firms may be based.Logical formLearned from49 sentences. A (security system) may be based on cryptography.Logical formLearned from49 sentences. An interactive map may be based.Logical formLearned from49 sentences. An (unemployment rate) may be based on a survey of households.Logical formLearned from49 sentences. Some film may be based.Logical formLearned from49 sentences. A site may be based in a country.Logical formLearned from49 sentences. A spokesman may be based in a US-city.Logical formLearned from49 sentences. A risk may be based.Logical formLearned from49 sentences. A program may be based.Logical formLearned from49 sentences. Model may be based.Logical formLearned from49 sentences. A count may be based on numbers.Logical formLearned from49 sentences. An airline may be based in a US-city.Logical formLearned from49 sentences. A bank may be based.Logical formLearned from49 sentences. Claims may be based.Logical formLearned from48 sentences. An article may be based on a translation of an article.Logical formLearned from48 sentences.