<human>: Goal: How do I break a cake apart in order to make cake pops?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- You can put the cake in a heavy duty zip lock bag and break it up in there. We want to get the crumbs pretty fine.
- You can put the cake in a heavy duty trash bag and break it up in there. We want to get the crumbs pretty fine.
<bot>: You can put the cake in a heavy duty zip lock bag and break it up in there. We want to get the crumbs pretty fine.