Sentence 1: Nick didn't do well in school as a child. 
 Sentence 3: When he grew up he decided to go to college 
 Sentence 4:  He worked very hard and made good grades 
 Sentence 5:  He graduated from college three years ago 
 Option 1: He felt like he couldn't hold his attention on what he was learning. 
 Option 2: He dropped out of high school.