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

Guessing-game dialogue about one of the objects:
q: a boat?
a: No
q: red ??
a: No
q: black ??
a: No
q: a building?
a: No
q: a person?
a: No
q: a bridge?
a: N/A
q: a train?
a: Yes