Q: "A parade of men hold red and yellow flags as they wave them proudly." Does this mean that "A group of men is celebrating a team victory by marching down the street waving flags."?
A: it is not possible to tell

Q: "A young boy with a red jacket fell from his sled in the snow." Does this mean that "A young boy is outdoors."?
A: yes

Q: "Dirt bikers traverse a series of jumps." Does this mean that "bikers are riding down the highway"?
A: no

Q: "People under a blue umbrella walking." Does this mean that "People are walking."?
A:
yes