In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Input: Consider Input: What branch of biology creates models to make whole biological systems understandable?

Output: computational systems biology, systems biology and mathematical biology


Input: Consider Input: Who is the girl in one direction what makes you beautiful?

Output: Madison McMullin


Input: Consider Input: What is the si unit of time period?


Output: second