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: The couple always shared the house's chores. This caused some resentment to build up between them. The other of the pair made up for it by taking over for a while after. Choices: a. They would do the dishes, for instance, whenever convenient. b. He was so excited to ride to school on a new bike. c. Once, one of the pair was quite busy and the other did them for days.
Example Output: ac

Example Input: Title: Dan realized she was a bit too quiet, and ran to check on her. Dan was shocked to see his computer mouse in a glass of water. Dan was not pleased that he would have to purchase a new mouse. Choices: a. The sheet metal stopped the bullets. b. Dan left her daughter in the room while he used the bathroom. c. Dan knew that his mouse had been damaged.
Example Output: bc

Example Input: Title: Ellie loved chemistry, and admired one chemist in particular. When he finally held a seminar in her area, she was thrilled. She should have listened to that old saying about meeting your heroes. Choices: a. But he came across as arrogant and sanctimonious in his speech. b. He was a genius in his field, and she kept up with all his work. c. Although Ben's been his employee for years, the offer was rejected.
Example Output:
ab