Q: "A man in rollerblades with knee pads and a helmet on does a trick in the air." Does this mean that "The man is driving a car."?
A: no

Q: "a motorcyclist wearing an orange and white uniform jumping off of his motorcycle after losing control, with two other motorcyclists racing up from behind." Does this mean that "A man is racing across the finish line on his motorcycle."?
A: no

Q: "Several people are standing and sitting on a grassy field watching a dog jump over a man to catch an orange Frisbee." Does this mean that "Some people watch a dog perform tricks."?
A: it is not possible to tell

Q: "two men looking at a screen" Does this mean that "Two men are watching movie on the screen."?
A:
it is not possible to tell