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: Greg was doing shopping. While standing in line he see's a sign for lottery. He decides to pick up a ticket. Choices: a. He went into his local gas station. b. Turns out it was the winning ticket. c. John published his research in an esteemed science journal.
Output:
ab