How much money does and average 20 year old guy have to pay in bills every month?

Mohammed reads this sentence. we knew the runner was an amateur because experts can run much faster. based on the contrast clue, what prediction does mohammed most likely make about the meaning of amateur? it means "someone who likes running." it means "someone who dislikes running." it means "someone who has a lot of experience." it means "someone who has very little experience."