Some concussions can be in some weeks.Logical formLearned from4 sentences. (Concussion symptoms) may subside.Logical formLearned from4 sentences. A concussion may be sustained.Logical formLearned from4 sentences. A concussion may undergo handling.Logical formLearned from4 sentences. A concussion can be in some months.Logical formLearned from4 sentences. A concussion can be in a loss.Logical formLearned from4 sentences. A person may sit_out a game with a concussion.Logical formLearned from4 sentences. Recovery can be from a concussion.Logical formLearned from4 sentences. Bombs may undergo a concussion.Logical formLearned from4 sentences. A player can be after a concussion.Logical formLearned from4 sentences. A decision may encapsulate a quandary of concussions.Logical formLearned from4 sentences. A person may receive some concussions.Logical formLearned from4 sentences. Someone may get a concussion.Logical formLearned from4 sentences. Some concussions can be on a r.Logical formLearned from4 sentences. Some percent can be constituted-of-or-filled-with concussions.Logical formLearned from4 sentences.