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

Guessing-game dialogue about one of the objects:
q: a person?
a: Yes
q: starting from the main red cart in front, are they in the first cart?
a: No
q: second ??
a: No
q: third and last toward us?
a: Yes
q: a child?
a: Yes
q: wearing black long sleeve?
a: No
q: wearing gray long sleeves with half arm hanging outside cart?
a: Yes