(Proton collisions) can be high-energy.Logical formLearned from20 sentences. A collision can be in a (mountain tunnel).Logical formLearned from20 sentences. A collision can be between a (fishing boat).Logical formLearned from20 sentences. Some collision may kill some persons.Logical formLearned from20 sentences. Connection can be with a collision.Logical formLearned from20 sentences. Accounts may pertain-to a collision.Logical formLearned from20 sentences. A collision may kill a (fighter pilot).Logical formLearned from20 sentences. A (course reversal) may end in a collision.Logical formLearned from20 sentences. A collision may be avoided.Logical formLearned from20 sentences. A (collision course) can be with an international community.Logical formLearned from20 sentences. Some persons may die in a head-on collision.Logical formLearned from20 sentences. A brunt may pertain-to a collision.Logical formLearned from19 sentences. Collisions can be between ships.Logical formLearned from19 sentences. Electrons may undergo collisions.Logical formLearned from19 sentences. A collision can be complex.Logical formLearned from19 sentences.