Sentence 1: Andrea and Kylie were in class. 
 Sentence 3: Suddenly, their teacher spotted them 
 Sentence 4:  She made Andrea read the note in front of everyone 
 Sentence 5:  Andrea was mortified 
 Option 1: Andrea was attempting to pass a note to Kylie. 
 Option 2: Kylie was attempting to pass a note to Andrea.