Objects in the image:
category: parking meter
category: train
category: train
category: car

Guessing-game dialogue about one of the objects:
q: Is it made of concrete?
a: No
q: Does it have wheels?
a: Yes
q: Does it have 4 wheels?
a: No
q: Is it a cylinder?
a: Yes
q: Is the whole front of the cylinder visible?
a: Yes
q: Is it very close to a tree?
a: Yes