Please answer the following question by reasoning step-by-step. If "A group of hot air balloons lit up at night." does that mean that "Hot air balloons lighting up the sky."?
Options:
- yes
- it is not possible to tell
- no. Step-by-step reasoning:

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
Hot air balloons lighting up the night would imply they are lighting up the sky. So the answer is yes.