Sentence 1: Thomas was in an honors track calculus program. 
 Sentence 3: Thomas' social life improved as the year wore on 
 Sentence 4:  He began spending a lot of time hanging out and almost none studying 
 Sentence 5:  Thomas scored just above passing on the exam 
 Option 1: His grades got terrible. 
 Option 2: The program was preparing him for a college credit exam.