What is the best way to: How do I keep my favorite couch fur free?

OPTIONS:
A). Purchase a dry sponge at a pet supply store and use it to lightly wipe dog hair in a sweeping motion from upholstery..
B). Purchase a dry sponge at a pet supply store and dampen it and use it to lightly wipe dog hair in a sweeping motion from upholstery..
Answer:
A).