Objects in the image:
category: person
category: bench
category: tennis racket
category: chair
category: person
category: person
category: bottle
category: bottle
category: chair
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: holding a towel?
a: No
q: red shorts?
a: No
q: white hat??
a: No
q: is it on the left?
a: Yes