Objects in the image:
category: person
category: person
category: backpack
category: backpack
category: person
category: skateboard
category: person
category: person
category: person
category: person
category: person
category: person
category: bicycle
category: backpack
category: person
category: bicycle
category: person
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 a light?
a: No
q: is it a tree?
a: No
q: is it a cable?
a: No
q: is it a rail?
a: No
q: is it on the road?
a: No
q: is it a sign?
a: No
q: is it part of a building?
a: No
q: is it in the sky?
a: No
q: is it a canopy?
a: No
q: is it clothing?
a: No
q: is it light in color?
a: No
q: is it dark in color?
a: Yes
q: is it almost black?
a: Yes
q: is a person touching it?
a: Yes
q: is a person wearing it?
a: No
q: is it on the ground?
a: No
q: is it a rectangle?
a: No