Instructions: 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.
Input: Title: Cal left his grocery cart in the parking lot. Another car pulled into the parking lot. He moved the cart out of the way so the car could park. Choices: a. Cal felt guilty. b. He got into the car. c. Jen was feeling melancholy but happy.
Output:
ab