premise: Carl joined the military right after high school.
initial: He signed a short contract that put him on the front lines.
counterfactual: He signed a short contract that put him at a desk the whole time.
original_ending: His best friend was killed in front of him. Happiness became a foreign concept to Carl. Carl had to go to therapy for post-traumatic stress disorder.
edited_ending: A truck hit the office building and his best friend was killed in front of him.Happiness became a foreign concept to Carl.Carl had to go to therapy for post-traumatic stress disorder.<SEP>His best friend worked in front of him.Happiness became an internalized concept for Carl.Carl was lucky he didn't have to go to therapy for post-traumatic stress disorder like his other colleagues who were sent to the front lines.<SEP>His best friend was killed in battle.Happiness became a foreign concept to Carl.Carl had to go to therapy for post-traumatic stress disorder even though he hadn't been in the battle.