<human>: Here is a goal: Inflate a balloon.

How would you accomplish this goal?

OPTIONS:
- Stretch the opening of the balloon over the outlet of a helium tank, then open the valve on the tank until the balloon is full. Remove the balloon and cut off the opening.
- Stretch the opening of the balloon over the outlet of a helium tank, then open the valve on the tank until the balloon is full. Remove the balloon and tie off the opening.
<bot>: Stretch the opening of the balloon over the outlet of a helium tank, then open the valve on the tank until the balloon is full. Remove the balloon and tie off the opening.