Q: "Two men are sword-fighting in front of a crowd." Does this mean that " Two men are practicing sword-fighting in front of a crowd."?
A: it is not possible to tell

Q: "A small boy is playing with rocks" Does this mean that "A child is entertaining himself with rocks."?
A: yes

Q: "A man in a black shirt and baseball cap picking up trash in an empty lot." Does this mean that "A man is picking flowers on top of Mt. Everest."?
A: no

Q: "A little boy playing in a green shirt surrounded by other little boys and one girl in a purple shirt." Does this mean that "There are kids near each other."?
A:
yes