Objects in the image:
category: pizza
category: pizza
category: pizza

Guessing-game dialogue about one of the objects:
q: is it green?
a: No
q: is it red?
a: No
q: is it edible?
a: Yes
q: is it the entire pizza?
a: No
q: is it a slice?
a: Yes
q: is it a slice on the right half of the photo?
a: No
q: is it a slice with green on it?
a: No