Q: "a young blond woman wearing a yellow shirt walking down a sidewalk." Does this mean that "A female is walking on the pavement."?
A: yes

Q: "A group of young teenagers are jumping at night making funny poses for the camera." Does this mean that "A group of old people scowl at the young man taking their picture"?
A: no

Q: "They are here to ensure no one crosses the barriers." Does this mean that "Soldiers are guarding a barrier"?
A: it is not possible to tell

Q: "A boy in a red shirt is kicking a ball on the sand as another boy is bent at the waist and holding a ball." Does this mean that "A boy kicks a ball in the sand."?
A:
yes