Q: Which of these sentences doesn't make sense?
Options:
- Sentence A: "He left his luggage in the airport, thus the luggage have to go back"
- Sentence B: "He left his luggage in the airport, thus he have to go back"

Let's solve this gradually.

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
Luggage does not have to go back if someone forgets it. The answer is Sentence A.