Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: train
category: person
category: person

Guessing-game dialogue about one of the objects:
q: Is it an adult?
a: N/A
q: is it green?
a: No
q: is it a person?
a: No
q: can you ride on it?
a: Yes