Single/multi-choice problem: Which of the following solutions is better for the following goal:
How do you clean the sole of white shoes?

Select from:
(a). Remove excess dirt with a paper towel dipped in warm water. Use a tooth brush to scrub with dish soap. Wipe dry with a towel. Repeat as needed..
(b). Remove excess dirt with a straw  dipped in warm water. Use a tooth brush to scrub with dish soap. Wipe dry with a towel. Repeat as needed..
(a).