Objects in the image:
category: clock
category: person
category: bench
category: bench
category: knife
category: fork
category: sandwich
category: cake
category: apple
category: hot dog
category: backpack

Guessing-game dialogue about one of the objects:
q: is it food?
a: No
q: is it the man?
a: No
q: is it his watch?
a: Yes