Q: "Rollerbladers in cone lanes wait in front of a Volvo dealership." Does this mean that "Some rollerbladers are going to race some Volvos."?
A: it is not possible to tell

Q: "Man waits for taxis to pass before crossing the wet road." Does this mean that "The man is crossing the road to get to the other side."?
A: it is not possible to tell

Q: "A little boy is shoveling snow." Does this mean that "the boy shovels"?
A: yes

Q: "A snowboarder soars off a jump upside down at the mountain resort's terrain park." Does this mean that "The snowboarder is sleeping."?
A:
no