Sentence 1: Gina was a new girl on a private, elite college campus. 
 Sentence 3: Gina was excited, putting extra effort into her zombie look 
 Sentence 4:  When Gina arrived at the party she felt like an idiot 
 Sentence 5:  She had been pranked, as it wasn't a costume party! 
 Option 1: She was never invited to a costume party. 
 Option 2: She got invited to a costume party her first week there.