<human>: Objective: To protect your carpet when sewing

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

OPTIONS:
- To avoid sewing your fabric to the carpet pile, lay down a couple Christmas cards underneath the fabric you're about to sew.
- To avoid sewing your fabric to the carpet pile, lay down a couple pieces of card underneath the fabric you're about to sew.
<bot>: To avoid sewing your fabric to the carpet pile, lay down a couple pieces of card underneath the fabric you're about to sew.