Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person
category: skateboard
category: umbrella
category: skateboard
category: backpack
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it the skateboard?
a: Yes
q: is the guy with yellow tshirt riding it?
a: Yes