Given the sentence "A boy in a white shirt and green helmet is riding a skateboard down some steps." is it true that "The boy is skateboarding in an area where skateboarding is prohibited."?
Let’s work this out in a step by step way to be sure we have the right answer.
it is not possible to tell
The skateboarding boy is breaking the law; what he is doing is prohibited in that place.

.

The final answer: it is not possible to tell