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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a ball?
a: No
q: is it a racket?
a: No
q: is it on the ground?
a: Yes
q: is it yellow?
a: No
q: is it under the bench?
a: Yes
q: is it white?
a: No
q: is it blue?
a: Yes
q: is it in the left photo?
a: No