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.
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Question: Sentence1: Tim needed a new kitchen floor. Sentence2: His was old and cracked. Sentence3: So he went shopping for new tiles. Sentence4: He installed a beautiful new kitchen floor for his home.

Answer: 4, He found great tiles and brought them home.

Question: Sentence1: Tim decided to spend more time with his granddad. Sentence2: His grandpa loved birdwatching, so Tim watched with him. Sentence3: They marked their sightings in a notebook. Sentence4: Tim and his grandad found a hobby that they both enjoyed.

Answer: 4, Soon Tim was really interested!

Question: Sentence1: I think yesterday was when I realized I shouldn't be a mathematician. Sentence2: I was at the grocery store, restocking for next week. Sentence3: I had bought around twenty items, and thought I was under my budget. Sentence4: When I went to check out, I was ten dollars over!

Answer:
5, I then realized that I was not good at math.