Q: "A young boy is skateboarding in front of a monument in a plaza." Does this mean that "A young boy is skateboarding in front of a fountain monument in a plaza."?
A: it is not possible to tell

Q: "There is a group of 8 young children holding sticks while standing in the grass." Does this mean that "8 children are standing in the grass."?
A: yes

Q: "A dog with his front paws off the ground holds a white Frisbee in his mouth in an RV campground." Does this mean that "a girl is wearing a sun dress"?
A: no

Q: "A man in a suit holds his cellphone in the air." Does this mean that "A lady in a long dress is listening to the radio."?
A:
no