Objects in the image:
category: umbrella
category: sports ball
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a building?
a: No
q: is it green?
a: No
q: is it a tree?
a: No
q: is it in the background?
a: No
q: is it grass?
a: No
q: is it a towel?
a: No
q: is it a football?
a: Yes