Q: Can methane be seen by the naked eye?
A: no
CoT: Methane is a gas. Methane is colorless. Methane is odorless.

Q: Would an uninsured person be more likely than an insured person to decline a CT scan?
A: yes
CoT: Without insurance, a CT scan can cost up to $5,000. Most insurance companies will cover or reimburse the cost of a CT scan.

Q: Would Phineas and Ferb enjoy winter?
A: no
CoT:
Phineas and Ferb is a tv show that takes place in the summer time. Phineas and Ferb are students and they get summer break in the summer. They enjoy summer break because of the freetime they have. If it were winter, they would not have summer break.