A concussion can be mild.Logical formLearned from1 249 sentences. A concussion may pertain-to a male.Logical formLearned from872 sentences. A male may suffer a concussion.Logical formLearned from554 sentences. A person may have a concussion.Logical formLearned from389 sentences. A person may suffer a concussion.Logical formLearned from340 sentences. A male may have a concussion.Logical formLearned from297 sentences. A male may sustain a concussion.Logical formLearned from174 sentences. Concussions can be repeated.Logical formLearned from173 sentences. A person may sustain a concussion.Logical formLearned from171 sentences. A concussion can be serious.Logical formLearned from158 sentences. A series can be constituted-of-or-filled-with concussions.Logical formLearned from142 sentences. Some games can be with a concussion.Logical formLearned from117 sentences. A concussion may pertain-to a person.Logical formLearned from116 sentences. A career may undergo a concussion.Logical formLearned from115 sentences. A female may suffer a concussion.Logical formLearned from109 sentences.