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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is he in front?
a: N/A
q: is he in blue?
a: Yes
q: is he with white cap?
a: Yes