The symptoms of H1N1 <e1>flu</e1> include fever, cough, sore throat, runny or stuffy nose, body aches, headache, <e2>chills</e2>, fatigue, and possibly vomiting or diarrhea.
The symptoms of H1N1
The symptoms of H1N1 flu include fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills, fatigue, and possibly vomiting or diarrhea.
<triplet> flu <subject> chills <object> Cause-Effect(e1,e2)