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

Guessing-game dialogue about one of the objects:
q: is it green?
a: No
q: Is it blue?
a: Yes
q: Is it a bench?
a: Yes