Objects in the image:
category: chair
category: person
category: person
category: chair
category: chair
category: person
category: chair
category: chair
category: chair
category: bench
category: person
category: chair
category: tennis racket
category: sports ball

Guessing-game dialogue about one of the objects:
q: person ??
a: Yes
q: someone sitting on the upper floor?
a: No
q: the guy in front with the racket?
a: Yes