TASK 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.
PROBLEM: Sentence1: Gina's family was having a water fight. Sentence2: They were in the yard dousing each other with water. Sentence3: Her dad thought he had gotten away from the kids. Sentence4: Till they threw a bucket of water on his back.

SOLUTION: He winced and grabbed his back as the kids stood laughing.

PROBLEM: Sentence1: We went fishing in our old paddle boat. Sentence2: We pushed off the dock, stowed away the rope and drifted. Sentence3: We set our lines when we were a good distance from shore. Sentence4: It was lunch time so we decided to head back home.

SOLUTION: We forgot the oars and had to hand paddle all the way back!

PROBLEM: Sentence1: Penny was a very good painter. Sentence2: One day she decided to paint animals on large, smooth rocks. Sentence3: Her creation turned out so well she painted more. Sentence4: She put them up for sale at a flea market.

SOLUTION:
She sold out within the hour making over $100.