Q: "A surfer riding a big wave." Does this mean that "There are no waves"?
A: no

Q: "A woman holding a black bag is holding on to a fence." Does this mean that "A woman by a fence."?
A: yes

Q: "A beige dog runs behind a white dog holding a yellow toy." Does this mean that "There are animals with toys."?
A: yes

Q: "A boy and a girl are talking while hiking on a park trail together." Does this mean that "Some tired people."?
A:
it is not possible to tell