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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: person in yellow and orange?
a: Yes
q: the 1st person seen?
a: No
q: the second person holding the train?
a: Yes