instruction:
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.
question:
Sentence1: Then, his friend told him that plastic is bad for the environment. Sentence2: Bob decided to forego his plastic bags. Sentence3: Bob invested in some reuseable grocery bags. Sentence4: Bob used his reusable grocery bags to go shopping.
answer:
1, Bob used plastic grocery bags to go shopping.

question:
Sentence1: Tim wanted to learn astronomy. Sentence2: He wanted to go into outer space. Sentence3: However he was to young to be an astronaut. Sentence4: This news made him sad.
answer:
5, Tim worked hard in school to become one.

question:
Sentence1: On Allison's 25th birthday her family took her to bingo. Sentence2: She had never played before and was nervous. Sentence3: On the fourth game she got a bingo. Sentence4: Allison plans to pay bingo again in the future.
answer:
3, After they showed her how to play she was excited to begin.