Objects in the image:
category: person
category: bench
category: potted plant
category: person
category: umbrella
category: umbrella
category: person
category: umbrella
category: person
category: motorcycle
category: person

Guessing-game dialogue about one of the objects:
q: it is an umbrella?
a: No
q: a chair?
a: No
q: it is someone?
a: Yes
q: on the left ,?
a: No
q: on the middle?
a: No