Collision can be with an object.Logical formLearned from6 sentences. A boat may sink after a collision.Logical formLearned from5 sentences. A collision may occur between some (patrol ships).Logical formLearned from5 sentences. A trawler may be involved in a (collision incident).Logical formLearned from5 sentences. A (collision incident) can be with ships.Logical formLearned from5 sentences. Collision can be with ships.Logical formLearned from5 sentences. Injuries may be reported after a collision.Logical formLearned from5 sentences. A collision can be in a world-city.Logical formLearned from5 sentences. A (train collision) can be in a city of a world-city.Logical formLearned from5 sentences. A collision can be between a (cargo train).Logical formLearned from5 sentences. A (chain collision) can be constituted-of-or-filled-with some vehicles.Logical formLearned from5 sentences. A debris may be generated in a collision.Logical formLearned from5 sentences. A collision may occur an altitude.Logical formLearned from5 sentences. A debris may pertain-to a (satellite collision).Logical formLearned from5 sentences. A debris of a (satellite collision) may pose grave danger to spacecrafts.Logical formLearned from5 sentences.