Objects in the image:
category: person
category: person
category: bench
category: backpack
category: person
category: person
category: person
category: person
category: skateboard
category: person
category: person
category: person
category: person
category: person
category: suitcase
category: person
category: skateboard
category: person

Guessing-game dialogue about one of the objects:
q: is it front?
a: Yes
q: is it person?
a: No
q: is it bag?
a: Yes
q: is front one in black?
a: Yes