Definition: In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Input: 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: Soon Tim was really interested!

Tim and his grandad found a hobby that they both enjoyed.