Q: "A woman in a black shirt is standing next to the public toilets." Does this mean that "A woman wearing black waits for an unoccupied toilet in the restroom."?
A: it is not possible to tell

Q: "A woman in a yellow shirt at a train station." Does this mean that "A woman waits for her husband on the train."?
A: it is not possible to tell

Q: "A man is handling a ladder, surrounded by cut up tree branches and lawn maintenance equipment." Does this mean that "The man had just cut down some tree branches and was going to mow the lawn"?
A: it is not possible to tell

Q: "a group of children sitting on the floor, eating snacks at school" Does this mean that "A group of kids sitting on the floor, eating snacks at school after recess."?
A:
it is not possible to tell