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

Guessing-game dialogue about one of the objects:
q: is it part of the train?
a: No
q: is it a word?
a: No
q: is it a letter?
a: No
q: is it a number?
a: No
q: is it the entire train?
a: No
q: is it in the background behind the train?
a: No
q: is it a human?
a: Yes
q: is the human on the train?
a: Yes
q: is the human leaning out a window?
a: Yes
q: is the human in front of the car with the 11 on it?
a: Yes