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 Input:
Title: He went to the store to buy one. When he got his old wallet out, the wallet fell apart. This was fortunate that he bought a new wallet when this happened. Choices: a. Walter needed to buy a new wallet. b. Hours later she quenched the blade, her very own ulfberht. c. He bought the wallet and placed all his items in the new wallet.

Ex Output:
ac

Ex Input:
Title: The two girls were just not getting along. Tina apologized to Erica. Tina felt defeated. Choices: a. Erica did not accept the apology. b. The water was like ice. c. Tina and her friendship with Erica was going down the tubes.

Ex Output:
ac

Ex Input:
Title: Rambo is a dog that has horrible anxiety. The new family took Rambo but couldn't handle him. Rambo came back to his family and everyone was happy and thankful! Choices: a. Jenny ended up being a natural sales person and made many sales. b. Rambo's original family missed him too much. c. Rambo's family decided to give him to a family that may be better.

Ex Output:
bc