Objects in the image:
category: bench
category: person
category: person
category: person
category: person
category: backpack
category: person
category: person
category: bus
category: person
category: person
category: person
category: person
category: bench
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is he sitting?
a: Yes