Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Atlanta (CNN) It's 3 o'clock on a Monday afternoon in Clarkston, Georgia, and Dr. Heval Mohamed Kelli is smiling ear to ear. He looks on as a group of overachieving Clarkston High School students file into a science classroom to receive their after-school lesson for the day. Kelli rubs his hands in anticipation and then he pauses, if only briefly, to look down. He stares at his hands, the same hands he used to wash dishes when he arrived to the United States in 2001. Kelli remembers how they would wrinkle like a prune from being under water for too long while working at the first job he had in the US as a Syrian refugee.Heval Kelli mentors students, many of them refugees, at high school he attendedIt's all about encouraging the American Dream, Syrian refugee says 
 Question:_ believes that Keke and the others in the YPI program will one day change the world.

Heval Mohamed Kelli