Sentence 1: Elvin needed an A on his Final exam to pass his class. 
 Sentence 3: He studied day and night until he felt confident in the material 
 Sentence 4:  Elvin went to class prepared for the test 
 Sentence 5:  He had the second highest score in the class, and he passed 
 Option 1: He was too lazy to study with a tutor. 
 Option 2: He hired a tutor to help him study.