A collision can be with debris.Logical formLearned from7 sentences. A (collision course) can be with leadership.Logical formLearned from7 sentences. A cause can be for a collision.Logical formLearned from7 sentences. A (collision course) can be with a premier.Logical formLearned from7 sentences. A collision can be between a (spy plane).Logical formLearned from7 sentences. A (collision avoidance system) can be airborne.Logical formLearned from7 sentences. Some seconds can be before a collision.Logical formLearned from7 sentences. Trucks may undergo a collision.Logical formLearned from7 sentences. A collision can be between some (army helicopters).Logical formLearned from7 sentences. A mid-air collision can be between some aircrafts.Logical formLearned from7 sentences. Unions can be on a (collision course).Logical formLearned from7 sentences. A fireball can be after a collision.Logical formLearned from7 sentences. An international-political-entity can be on a (collision course).Logical formLearned from7 sentences. A comet may undergo a collision.Logical formLearned from7 sentences. A (collision course) can be with parliament.Logical formLearned from7 sentences.