A result can be constituted-of-or-filled-with concussions.Logical formLearned from7 sentences. A concussion can be legitimate.Logical formLearned from7 sentences. Concussion may undergo a definition.Logical formLearned from7 sentences. A person may suffer a cerebral concussion.Logical formLearned from7 sentences. A soldier may suffer a concussion.Logical formLearned from7 sentences. Air may undergo a concussion.Logical formLearned from7 sentences. A concussion can be worse.Logical formLearned from7 sentences. A recovery can be from a concussion.Logical formLearned from7 sentences. Some games can be due to a concussion.Logical formLearned from7 sentences. Symptoms can be consistent with a concussion.Logical formLearned from7 sentences. Some athletes may suffer concussions.Logical formLearned from7 sentences. Symptoms can be from a concussion.Logical formLearned from7 sentences. A game can be with a concussion.Logical formLearned from7 sentences. Some fan may suffer a concussion.Logical formLearned from7 sentences. A concussion can be serious.Logical formLearned from7 sentences.