<human>: Objective: Before you begin etching a stenciled design into glass, what should be your final step.

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- Before you begin apply etching cream over the stencil with a brush.
- Before you begin apply whole cream over the stencil with a brush.
<bot>: Before you begin apply etching cream over the stencil with a brush.