A mid-air collision can be between some helicopters.Logical formLearned from14 sentences. A collision may pertain-to year.Logical formLearned from14 sentences. A head-on collision can be between a (passenger bus).Logical formLearned from14 sentences. Collisions can be reactive.Logical formLearned from14 sentences. Collisions can be between (gas clouds).Logical formLearned from14 sentences. Collisions can be at sea.Logical formLearned from14 sentences. A handful can be constituted-of-or-filled-with collisions.Logical formLearned from14 sentences. Particles may be throw_outed by collisions.Logical formLearned from14 sentences. A collision can be with a female.Logical formLearned from14 sentences. Collisions can be inevitable.Logical formLearned from14 sentences. Collisions can be with comets.Logical formLearned from14 sentences. A collision can be between some trucks.Logical formLearned from14 sentences. Blame can be for a collision.Logical formLearned from14 sentences. A collision can be with an iceberg.Logical formLearned from14 sentences. A collision can be bizarre.Logical formLearned from14 sentences.