story: Our nephew lived in FL and AL from 2000 to 2005. He lived with his girlfriend in Alabama. He found out she was cheating on him in 2005. He moved out of their place and came back home to MA. His mom was glad to have him back.
 selected sentence: He found out she was cheating on him in 2005.
Our nephew's girlfriend cheats on him >Causes/Enables> Our nephew finds out she cheats on him