A (research committee) can be on concussions.Logical formLearned from6 sentences. Some weeks can be with a concussion.Logical formLearned from6 sentences. Persons may have concussions.Logical formLearned from6 sentences. Quarterback may sustain a concussion.Logical formLearned from6 sentences. A concussion can be in some game.Logical formLearned from6 sentences. (Sound waves) may undergo a concussion.Logical formLearned from6 sentences. A concussion may be suffered.Logical formLearned from6 sentences. A concussion may end a season.Logical formLearned from6 sentences. Concussions can be in athletes.Logical formLearned from6 sentences. Some months can be with a concussion.Logical formLearned from6 sentences. Concussion can be from blow.Logical formLearned from6 sentences. A severity may pertain-to concussions.Logical formLearned from6 sentences. A concussion may keep a male.Logical formLearned from6 sentences. A male may go_out with a concussion.Logical formLearned from6 sentences. A concussion may knock a male.Logical formLearned from6 sentences.