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: Rachel adopted a cat over ten Years ago. Sentence2: Suddenly, the cat was acting more lethargic and losing weight. Sentence3: Concerned, Rachel took her cat to the vet. Sentence4: The vet told Rachel that her cat had developed cancer.

The vet treated her cat's cancer the best they could.