Q: "A boy is attempting to rock-climb a prefabricated wall." Does this mean that "The boy is climbing a real mountain"?
A: no

Q: "Here is a girl in boots walking with her backpack under an umbrella in the rain." Does this mean that "The girl is walking with an umbrella in the sunshine."?
A: no

Q: "A man at a fruit market grabbing for some fruit." Does this mean that "The owner of the fruit market is stocking the stands."?
A: it is not possible to tell

Q: "The sky appears clear." Does this mean that "There is nothing visible in the sky"?
A:
yes