So , this last Monday , I was supposed to recieve a phone call from my good friend Winterlion . I sat around all day , waiting for him to call . About 7 pm , I called him up to ask what 's going down ... His reply : " I thought you were supposed to call me ! ! " Umm ... No . But ..

Question: What has caused the confusion between the narrator and Winterlion ?
Answer: The narrator and Winterlion kept close to one another .The narrator and Winterlion were in constant contact .The narrator and Winterlion had briefed each other earlier .The narrator and Winterlion have poor communication skills .