Some grades can be constituted-of-or-filled-with concussions.Logical formLearned from3 sentences. A person may come_off a concussion.Logical formLearned from3 sentences. A male may sustain a concussion of a career.Logical formLearned from3 sentences. Safety may suffer a concussion.Logical formLearned from3 sentences. A concussion may be suffered against a US-city.Logical formLearned from3 sentences. A concussion can be in a fight.Logical formLearned from3 sentences. Some percent of injuries can be concussions.Logical formLearned from3 sentences. A concussion can be in a year.Logical formLearned from3 sentences. Concussions may lead to (brain damage).Logical formLearned from3 sentences. Problems can be with concussions.Logical formLearned from3 sentences. Concussion may rattle.Logical formLearned from3 sentences. A male may remain sidelined with a concussion.Logical formLearned from3 sentences. Symptoms may pertain-to a concussion.Logical formLearned from3 sentences. Safety may sustain a concussion.Logical formLearned from3 sentences. A male may feel effects of a concussion.Logical formLearned from3 sentences.