Birds can be due to collisions.Logical formLearned from7 sentences. Collisions can be important.Logical formLearned from7 sentences. A person may have some collisions.Logical formLearned from7 sentences. Collisions may be caused by drivers.Logical formLearned from7 sentences. Collisions can be traumatic.Logical formLearned from7 sentences. (Train collisions) can be deadly.Logical formLearned from7 sentences. Collisions may pertain-to a collider.Logical formLearned from7 sentences. Collisions may produce a micro black hole.Logical formLearned from7 sentences. (Particle collisions) can be high-speed.Logical formLearned from7 sentences. Snapshots may show (particle collisions).Logical formLearned from7 sentences. Particles may be produced in collisions of pairs of protons.Logical formLearned from7 sentences. Collisions may increase.Logical formLearned from7 sentences. A female may study physics of collisions.Logical formLearned from7 sentences. Flashes can be from collisions.Logical formLearned from7 sentences. Collisions can be deliberate.Logical formLearned from7 sentences.