Q: "A man aboard a red train helps a small child onto it while another person tries to get on." Does this mean that "A man helps a small child onto a train."?
A: yes

Q: "Men stand by one another wearing robes and college graduate hats." Does this mean that "There are men with hats."?
A: yes

Q: "A surfer is riding a very big wave." Does this mean that "The big wave has a surfer on top of it."?
A: yes

Q: "A red dog jumps to catch a tennis ball in the dry tall grass." Does this mean that "dog playing in the park"?
A:
it is not possible to tell