A (derby hat) can be undersized.Logical formLearned from2 sentences. Derby may be followed by a number.Logical formLearned from2 sentences. A rivalry may be knowned as a derby.Logical formLearned from2 sentences. A rivalry can be a derby.Logical formLearned from2 sentences. A score can be in a derby.Logical formLearned from2 sentences. An (official derby) may take place.Logical formLearned from2 sentences. A derby can be an one.Logical formLearned from2 sentences. A derby may be associated with a culture of life.Logical formLearned from2 sentences. A (derby match) can be against (city rivals).Logical formLearned from2 sentences. A (city derby) may take place.Logical formLearned from2 sentences. A derby can be against plate.Logical formLearned from2 sentences. (Roller derby) can be a game.Logical formLearned from2 sentences. (Roller derby) may have a set of rules.Logical formLearned from2 sentences. A (football derby) can be between juniors.Logical formLearned from2 sentences. Bombers may pertain-to a (roller derby).Logical formLearned from2 sentences.