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.

Sentence1: He and his girlfriend spent hours laying in the sand, getting sun. Sentence2: Ray liked to read a book and listen to music on his MP3 player. Sentence3: His girlfriend liked to go in the water for a bit. Sentence4: They both enjoyed their day.
1, Ray loved spending the day at the beach.

Sentence1: Juliette wanted to be a scientist when she grew up. Sentence2: She decided she must perform an experiment. Sentence3: She emptied a box of baking soda into a pan. Sentence4: Juliette built a volcano.
4, Then she poured in vinegar.

Sentence1: After math class, I decided to go to the library. Sentence2: I had to wait several hours for my mom to pick me up. Sentence3: Since I was extremely tired, I fell asleep completely. Sentence4: I didn't get any homework done.
2, I caught up on some assignments.