A collision can be with a tarmac.Logical formLearned from4 sentences. A collision can be at a level.Logical formLearned from4 sentences. A head-on collision can be with opposition.Logical formLearned from4 sentences. A mid-air collision can be with an aircraft.Logical formLearned from4 sentences. A collision can be innocuous.Logical formLearned from4 sentences. Head-on collision can be on a single track.Logical formLearned from4 sentences. A chain of human error may lead to a mid-air collision.Logical formLearned from4 sentences. A country may remain on a (collision course).Logical formLearned from4 sentences. An accident may involve a collision.Logical formLearned from4 sentences. A (collision course) can be with a president.Logical formLearned from4 sentences. A (collision course) can be with hardliners.Logical formLearned from4 sentences. A collision can be with a country.Logical formLearned from4 sentences. A bus may be crushed in a collision.Logical formLearned from4 sentences. A collision may explode into flames.Logical formLearned from4 sentences. Cars may be involved in a collision.Logical formLearned from4 sentences.