Before coming to HK I was unfamiliar with these local brands.
If you, too, haven't seen them before, (and preferably don't read Chinese) have a guess at what they might be:
B. Catalogue shop
C. Outdoor/sportswear label
B. Petrol station
Scroll up two posts for the answers! Or click here.
By the way, in the last post, the two people were wheeling the remains of a piano along the road.