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

Guessing-game dialogue about one of the objects:
q: is that person?
a: No
q: peoples can stay on that object?
a: No
q: is that blue mat?
a: No
q: is that play object?
a: Yes
q: does tha person holding the object in his hand?
a: Yes