A (track roller derby) can be flat.Logical formLearned from18 sentences. A male may win some derbies.Logical formLearned from18 sentences. A (derby hat) can be black.Logical formLearned from18 sentences. A (derby defeat) may pertain-to a world-city.Logical formLearned from18 sentences. A derby may pertain-to a season.Logical formLearned from17 sentences. A (derby name) may pertain-to a person.Logical formLearned from17 sentences. Derby can be with a male.Logical formLearned from17 sentences. (Roller derby) can be a sport.Logical formLearned from16 sentences. A succession may invest (video derby).Logical formLearned from16 sentences. A derby can be in a country.Logical formLearned from16 sentences. A derby may pertain-to persons.Logical formLearned from16 sentences. (Demolition derby) may claim a cranny of imagination.Logical formLearned from16 sentences. A draw can be in a derby.Logical formLearned from16 sentences. A derby can be crosstown.Logical formLearned from16 sentences. A derby can be anticipated.Logical formLearned from16 sentences.