Instructions: In this task you are given a short story and a question regarding that story. You must answer the question based on the events of the story. Try to use the same words in the story to answer each question. You should completely answer the question in a short answer. Do not include information that is unnecessary to answer the question.
Input: Tom was at a coffee shop. He was very thirsty. He approached the counter. He asked for green tea. He drank green tea to quench his thirst.
Why was He very thirsty?
Output:
He was very thirsty.