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.

[EX Q]: Title: Chris decided he needed to replace the mattress. He went to the store and picked one out. He was going to sleep so well after it was delivered! Choices: a. I am now eagerly awaiting an addition to my collection. b. Chris was having trouble sleeping. c. He tossed and turned on his old, lumpy mattress.
[EX A]: bc

[EX Q]: Title: Tom was looking forward to the fourth of July holiday. Tom set them off during the holiday celebration. Tom enjoyed the sights of the pretty lights. Choices: a. Tom bought fireworks to prepare. b. Tom had fun setting off the fireworks. c. Her mom tried to call her back but Crysta would not answer.
[EX A]: ab

[EX Q]: Title: He kept his bike in tip-top condition. On the day of a race the bike lost a vital piece. Herman knew it was sabotage. Choices: a. He repaired the bike himself and won the race anyway. b. Herman was a bicycle racer. c. She figured that next time she would use a training knife instead.
[EX A]:
ab