Q: "Foreign military unit marching." Does this mean that "An army is on the move."?
A: yes

Q: "A small boy in a cap and sweatshirt holds up a small American flag." Does this mean that "A boy is sleeping."?
A: no

Q: "A dog runs out of a tunnel on a course." Does this mean that "The dog is moving quickly."?
A: yes

Q: "a group of four runners stand for a photo at a track." Does this mean that "A group of runners stand for a photo."?
A:
yes