Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Example Input: Fact: The direction the earth is tilted while it orbits the sun is what causes climate to change. 
Question: What determines the climate to change?
Example Output: The way the earth is tilted.

Example Input: Fact: Population size influences the chances of going extinct. 
Question: what influences the chances of going extinct?
Example Output: Population size.

Example Input: Fact: Vertebrates are animals that have a spinal column in their skeletal system. 
Question: If an animal has a spinal column in their skeletal system what is it called?
Example Output:
vertebrate.