Q: "A boy riding a bike on a dirt road." Does this mean that "A child cycling on a dirt path."?
A: yes

Q: "Two children holding up peace signs and smiling." Does this mean that "Kids are happy."?
A: yes

Q: "Two pale dogs run in grass." Does this mean that "Tall animals running"?
A: it is not possible to tell

Q: "A skateboarder is doing a trick at the top of a ramp while another person watches." Does this mean that "People are watching a girl ride a bike."?
A:
no