(Motor vehicles) may undergo collisions.Logical formLearned from3 sentences. Some studies may examine a frequency of collisions.Logical formLearned from3 sentences. Collisions can be with users.Logical formLearned from3 sentences. Collisions can be ideological.Logical formLearned from3 sentences. Neutrons may undergo collisions.Logical formLearned from3 sentences. Collisions can be instantaneous.Logical formLearned from3 sentences. (Head-on collisions) can be spectacular.Logical formLearned from3 sentences. (Injury collisions) can be fatal.Logical formLearned from3 sentences. Collisions can be with micrometeoroids.Logical formLearned from3 sentences. Collisions may result in injuries.Logical formLearned from3 sentences. A person may find collisions.Logical formLearned from3 sentences. Objects may undergo collisions.Logical formLearned from3 sentences. Collisions can be between ions.Logical formLearned from3 sentences. A mean path can be between collisions.Logical formLearned from3 sentences. Collisions can be with terrain.Logical formLearned from3 sentences.