premise: Steve was sitting in the cafe.
initial: While at the cafe, he usually read a book.
counterfactual: Today he'd brought the latest novel by Stephen King.
original_ending: However, today he forgot his book. He had no choice but to do a lot of thinking. While thinking, Steve came up with an idea for a novel.
edited_ending: It fell out of his bag walking to the cafe.He had no choice but to do a lot of thinking.While thinking, Steve came up with an idea for a novel.<SEP>Today he brought along this book.He had no chance to do any thinking.While reading, Steve read his new novel.<SEP>The novel was thought provoking.He had no choice but to do a lot of thinking.While thinking, Steve came up with an idea for a novel.