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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: on the left side of the train?
a: No
q: Are they on the right side of the train?
a: Yes
q: the child in pink?
a: No
q: the person to the right of the child?
a: No
q: Is it the person behind them in dark clothes?
a: Yes