Q: "Children are performing activities inside a classroom." Does this mean that "Children are playing outside."?
A: no

Q: "A man with a hard hat carries a tree branch." Does this mean that "The man with the hard hat had cut down a tree."?
A: it is not possible to tell

Q: "A man in a gray shirt with crazy hair playing the drums." Does this mean that "The man is playing metallica."?
A: it is not possible to tell

Q: "Students sit outside by a school bus." Does this mean that "Students sit by a bus."?
A:
yes