In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[EX Q]: Question: An example of combining two substances is? Answer: pouring queso into guacamole.
[EX A]: An example of combining two substances is pouring one substance into the other substance

[EX Q]: Question: Deer can be responsible for which activity? Answer: transporting seeds.
[EX A]: if seeds stick to the fur of an animal then that seed will be transported by the animal

[EX Q]: Question: Melissa is creating a new product to quench people's thirst. She thinks it will be more popular if it is less flat. She decides to? Answer: add some dissolved carbon dioxide.
[EX A]:
a carbonated beverage contains dissolved carbon dioxide