Some vehicles may be involved in a collision.Logical formLearned from5 sentences. Collisions can be with (patrol boats).Logical formLearned from5 sentences. Some helicopters may be involved in a mid-air collision.Logical formLearned from5 sentences. A shock may pertain-to a collision.Logical formLearned from5 sentences. A collision may occur in weather.Logical formLearned from5 sentences. A collision can be catastrophic.Logical formLearned from5 sentences. A collision may lead to a use of force.Logical formLearned from5 sentences. Persons can be on a collision.Logical formLearned from5 sentences. A (collision course) may lead to a use of force.Logical formLearned from5 sentences. A car may be involved in a collision.Logical formLearned from5 sentences. A collision can be between trains.Logical formLearned from4 sentences. A collision can be between some (patrol boats).Logical formLearned from4 sentences. Connection can be with collisions.Logical formLearned from4 sentences. A collision can be (rail accident).Logical formLearned from4 sentences. Concern can be over a collision.Logical formLearned from4 sentences.