Given the task definition, example input & output, solve the new input case.
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.
Example: Sentence1: Rick grew up in a troubled household. Sentence2: He never found good support in family, and turned to gangs. Sentence3: It wasn't long before Rick got shot in a robbery. Sentence4: He is happy now.
Output: 4, The incident caused him to turn a new leaf.
As mentioned in fourth sentence, he is happy now; so, the incident turned a new leaf to Rick's life.

New input case for you: Sentence1: Matt was out for a walk with his mom. Sentence2: Suddenly he saw something shiny on the ground. Sentence3: He bent to pick it up. Sentence4: Matt was excited to be so lucky.
Output:
4, It was a gold ring!