<human>: Here is a goal: Pre-warm a bed before going to sleep.

How would you accomplish this goal?

OPTIONS:
- Using an electric blanket turned to the lowest setting, cover a beds bottom sheet. Place a top sheet and blanket on top of the electric blanket and make the bed as usual. In twenty minutes, the electric blanket will have pre-warmed the bed enough to be comfortable for sleep.
- Using an electric blanket turned to the lowest setting, cover a beds bottom sheet. Place a top sheet and blanket on top of the electric blanket and make the bed as usual. In twenty minutes, the electric blanket will have pre-warmed the bean bag enough to be comfortable for sleep.
<bot>: Using an electric blanket turned to the lowest setting, cover a beds bottom sheet. Place a top sheet and blanket on top of the electric blanket and make the bed as usual. In twenty minutes, the electric blanket will have pre-warmed the bed enough to be comfortable for sleep.