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

Guessing-game dialogue about one of the objects:
q: Is it human?
a: No
q: will it protect you from the rain?
a: No
q: Is it a tree?
a: No
q: is it a building?
a: No
q: is it pavement?
a: No
q: is it grass?
a: No
q: is it a sign?
a: No
q: is it a light?
a: No
q: is it close up?
a: Yes
q: is it an article of clothing?
a: No
q: is it being carried?
a: Yes
q: is it a backpack?
a: Yes