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.

Example Input: Sentence1: I have always wanted a lizard because I thought they were cool. Sentence2: One time my parents took me to the beach and I seen lizards all over. Sentence3: When I became a teenager my parents bought me a lizard. Sentence4: Because, I kept my room so cold I thought I killed the lizard.
Example Output: After a few days of it not moving I had to bury it out back.

Example Input: Sentence1: Jim played ball in the yard. Sentence2: His friends wanted to come over. Sentence3: Jim wouldn't let them. Sentence4: Then, jim got bored.
Example Output: He let his friends in the yard and had lots of fun.

Example Input: Sentence1: Rob wanted to take a vacation to Canada. Sentence2: To travel to Canada, Rob needed a passport. Sentence3: Rob paid the passport agency a lot of money to have it delivered fast. Sentence4: However, the passport agency shipped Rob's passport way too late.
Example Output:
Rob had to book another flight, which cost him an arm and a leg.