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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it an umbrella?
a: Yes
q: is it in the hands of leftmost person at back?
a: No
q: is it the 2nd one?
a: No
q: is it the 3rd one..green one?
a: No
q: is it the black one?
a: Yes