In this task, you're given the title and three arbitrary sentences out of a five-sentence story. You are also given three additional sentence options, a, b, and c, that may or may not belong to the story. Your job is to pick the two options that seamlessly connect with the rest of the story; note that the selected choices may fit into the story at any point. Indicate your selected choices in order, i.e., as 'ab'/'bc'/'ac' and not as 'ba'/'ca'/'cb'. If options are equally plausible, pick the ones that make more sense.

Example Input: Title: Tom borrowed a friend's car. It was manual transmission and Tom wasn't used to it. When he parked it he forgot to put the emergency brake on. Choices: a. He was able to jump in and stop it just in time. b. Tom noticed it slowly start to roll away. c. The viewers hoped there would be a season 2.
Example Output: ab

Example Input: Title: Kay was nine and she was obsessed with mermaids. She was excited when her family took a trip to the ocean. Kay still had a good time, though. Choices: a. It was a beautiful wedding. b. But after hours of observation, she'd seen nothing! c. She was sure she'd spot a mermaid there!
Example Output: bc

Example Input: Title: Tom was grounded over the weekend. His friends were throwing a huge party. He was caught and got into a lot of trouble. Choices: a. Tom decided to sneak out and go. b. Bette was pleased that Americans were so friendly. c. Tom had enough fun for it to have been worth it, though.
Example Output:
ac