Objects in the image:
category: person
category: boat
category: boat
category: car
category: boat
category: boat
category: boat
category: car
category: boat
category: car
category: person
category: boat
category: bus
category: person

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: bus ??
a: No
q: car ??
a: No
q: boat ??
a: Yes
q: Is it among the 4 easily visible?
a: Yes
q: the big white and blue?
a: Yes
q: are you sure?
a: Yes