She tried to pull away, but John persisted. He could tell Kallie was not comfortable, but assumed that since they had enjoyed intercourse before, then it was okay now. John proceeded to pin Kallie's arms down on the couch and forced her to have sex with him. John assumed that it was all right to force himself on Kallie because they had enjoyed sex together before. It is never okay to use force to have sex.
Sex is an act of mutual consent.
Since Kallie attempted to pull away from John and was eventually pinned down by him, this was an act of rape, not sex. Michelle was at a party hosted by some friends on her dorm floor. Doug, who lived upstairs, was also at the party. Doug was paying close attention to Michelle. Because of the warm weather, Michelle was wearing a halter top and shorts.