Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "you should have your passport ready before you take international flights"
- Sentence B: "you should have your passport ready before you take domestic flights"
 Let's be accurate as possible. So think first.

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
You do not need your passport for domestic flights.
The final answer: Sentence B.