premise: Nina wanted to skateboard.
initial: But she knew no other girls to teach her!
counterfactual: But she soon became obsessed with skateboarding.
original_ending: So she bought her own skateboard. She began to skate on her own, slowly. Over time she became really good.
edited_ending: She hired a teacher.She learned all the new tricksEventually she entered a competition<SEP>She finally went and bought her own skateboard.She begain to skate everyday.Over time she became really good.<SEP>So she bought her own skateboard.She began to skate on her own, slowly.Over time she became really good.