A collision may sink a ship.Logical formLearned from5 sentences. Collisions may recur.Logical formLearned from5 sentences. A country may blame a collision on a pilot.Logical formLearned from5 sentences. An emergency may end in a collision.Logical formLearned from5 sentences. Investigative reports can be into a collision.Logical formLearned from5 sentences. Mistakes may cause a collision.Logical formLearned from5 sentences. Some persons may die after collisions.Logical formLearned from5 sentences. Investigations of a collision may proceed.Logical formLearned from5 sentences. (Collision warning devices) may go_off.Logical formLearned from5 sentences. A (ferry collision) can be on a river.Logical formLearned from5 sentences. A knee can be after a collision.Logical formLearned from5 sentences. A warning can be from a (collision avoidance system).Logical formLearned from5 sentences. A collision can be between a (tuna boat).Logical formLearned from5 sentences. Authorities may theorize about a collision.Logical formLearned from5 sentences. A (ship or submarine) may be involved in a collision.Logical formLearned from5 sentences.