Q: Is myocardial infarction a brain problem?
A: no
CoT: Myocardial infarction is a problem in the heart. The equivalent in the brain would be similar to a stroke.

Q: Can dementia be cured with a cast?
A: no
CoT: Dementia refers to various disorders of the brain. Casts are used to help treat broken bones. The brain does not contain any bones.

Q: Is a Halloween cruise in the Gulf of Mexico likely to be safe from storms?
A: no
CoT:

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
Hurricanes often strike the Gulf of Mexico. Hurricane season in the gulf lasts until the end of November. Halloween is October 31.