premise: Alex ran across town to get to a friends house.
initial: He didn't know his shoe was untied.
counterfactual: He wore his favorite shoes with the velcro straps.
original_ending: He had ran for three block when it happened. He tripped on that shoelace of his. Alex resolved to always check his shoelaces before leaving.
edited_ending: The last time he ran, he tripped over his laces.He made it to his friend's house without falling.He was grateful for those velcro straps.<SEP>He had ran for three blocks when the velcro came undone.He tripped because of his loose shoes.Alex resolved to be more mindful of his velcro straps at all times.<SEP>He ran for three blocks when it happened.His shoe fell off.Alex resolved to always tighten the velcro straps before leaving.