TASK DEFINITION: In this task, you're given four sentences of a story written in natural language in which one part is missing. Your job is to predict the position and missing part of the story and return in the following format: position, missing part. The missing part is a sentence that completes the story, and the position is the number of the missing sentence in the new story.
PROBLEM: Sentence1: Dave loved the outdoors. Sentence2: One day he decided to go on a hike. Sentence3: As he walking on the trail, he heard a hissing sound. Sentence4: To his right on the ground was a rattle snake!

SOLUTION: 5, Dave backed away slowly.

PROBLEM: Sentence1: There was nothing in his fridge to eat. Sentence2: He couldn't find his phone to order carry-out. Sentence3: Joe ordered a pizza online. Sentence4: Joe started eating the pizza before the delivery man left.

SOLUTION: 1, Joe was really hungry.

PROBLEM: Sentence1: Amy's sister took her to the beach to surf on her vacation. Sentence2: Amy hurriedly suited up in her wetsuit. Sentence3: The instructor was patient when Amy couldn't get the hang of it. Sentence4: Amy was surprised that she did a good job.

SOLUTION:
4, Finally it was time for Amy to try on her own.