For this chain-of-thought reasoning and answer, what was the question?
Since the gastrointestinal tract aids in the digestive process, it has an important role.
 A: yes

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Q: Is the following sentence factually correct?
"The Gastrointestinal tract fulfills a very important function in the human body."
Options:
- yes
- no