<human>: What is the best way to: How do I get gunk off of my sofa?

OPTIONS:
- Wipe down your couch with a dry, clean cloth or clean stiff brush to get any dust or dried on gunk off.
- Wipe down your couch with a dry, dirty cloth or clean stiff brush to get any dust or dried on gunk off.
<bot>: Wipe down your couch with a dry, clean cloth or clean stiff brush to get any dust or dried on gunk off.