A world-city may suffer from a (skull concussion).Logical formLearned from4 sentences. A concussion can be powerful.Logical formLearned from4 sentences. A girl may suffer from a concussion.Logical formLearned from4 sentences. Concussion can be after a tackle.Logical formLearned from4 sentences. Captain may suffer concussion.Logical formLearned from4 sentences. A concussion can be in a (car accident).Logical formLearned from4 sentences. A concussion can be in an accident.Logical formLearned from3 sentences. Concussions can be from explosions.Logical formLearned from3 sentences. Players may suffer from concussions.Logical formLearned from3 sentences. A female may be left with a concussion.Logical formLearned from3 sentences. Problems can be with concussions.Logical formLearned from3 sentences. Complications can be from a concussion.Logical formLearned from3 sentences. A male may suffer a concussion from a hit.Logical formLearned from3 sentences. Effects can be from concussions.Logical formLearned from3 sentences. Concussions may lead to dementia.Logical formLearned from3 sentences.