<human>: Here is a goal: To soften butter quickly.

Which way makes more sense to accomplish this goal?

OPTIONS:
- Pour frozen water into a glass to heat it up. Then, dump out the water and place it over the stick of butter. The butter will be softened within minutes without it completely melting.
- Pour boiling water into a glass to heat it up. Then, dump out the water and place it over the stick of butter. The butter will be softened within minutes without it completely melting.
<bot>: Pour boiling water into a glass to heat it up. Then, dump out the water and place it over the stick of butter. The butter will be softened within minutes without it completely melting.