Given the task definition and input, reply with output. 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.

Title: Marci was walking her dog through the neighborhood. The dog started sniffing intently under a bush. Before she could try again, the dog had already eaten it. Choices: a. When he pulled his head out, Marci could see something in his mouth. b. Teddy will never ride the roller coaster again. c. She tried tried to pull it out, but the dog wouldn't let go.
ac