Sentence 1: Kate had a crush on a boy named Tom. 
 Sentence 3: She decided it was a good time to tell him 
 Sentence 4:  He pretended not to hear her as he signed her yearbook 
 Sentence 5:  She sat with a stunned look as he walked away hurriedly 
 Option 1: Her friend Iris had a crush on him too. 
 Option 2: It was the last day of school.