Trips can be frequent.Logical formLearned from16 sentences. Violations can be frequent.Logical formLearned from16 sentences. A male can be a frequent flier.Logical formLearned from16 sentences. Requests can be frequent.Logical formLearned from16 sentences. A latter can be frequent.Logical formLearned from16 sentences. Intervention can be frequent.Logical formLearned from16 sentences. Shootings can be frequent.Logical formLearned from16 sentences. Roles can be frequent.Logical formLearned from16 sentences. Attacks can be frequent in a country.Logical formLearned from16 sentences. Accidents can be frequent on a (railway network).Logical formLearned from16 sentences. Services can be frequent.Logical formLearned from15 sentences. Opportunities can be frequent.Logical formLearned from15 sentences. Arguments can be frequent.Logical formLearned from15 sentences. Seizures can be frequent.Logical formLearned from15 sentences. An option can be for frequent fliers.Logical formLearned from15 sentences.