A derby may pertain-to a year.Logical formLearned from23 sentences. A derby can be between some clubs.Logical formLearned from23 sentences. A derby can be at a road.Logical formLearned from23 sentences. A (roller derby league) may be based in a US-city.Logical formLearned from21 sentences. A (roller derby) can be friendly.Logical formLearned from21 sentences. A win can be in a derby.Logical formLearned from21 sentences. A derby can be against rivals.Logical formLearned from20 sentences. A derby can be surplus.Logical formLearned from20 sentences. (Roller girls) can be (roller derby league).Logical formLearned from19 sentences. A (roller derby league) may be based in a world-city.Logical formLearned from19 sentences. A (derby win) may pertain-to a world-city.Logical formLearned from19 sentences. A male may receive in a derby.Logical formLearned from19 sentences. A derby can be aerial.Logical formLearned from19 sentences. A derby may pertain-to a city.Logical formLearned from19 sentences. A derby may pertain-to a capital.Logical formLearned from19 sentences.