Q: "an adult mother with her young child" Does this mean that "the young child is with its father"?
A: no

Q: "A team of men are playing a game in which several of them are jumping to reach the ball." Does this mean that "The men are playing basketball."?
A: yes

Q: "A woman in a black dress and apron looks upon the shelves on bread." Does this mean that "A sad woman in a black dress and apron looks upon the shelves on bread."?
A: it is not possible to tell

Q: "Two bikers pose for a picture, one of which is wearing a skull mask." Does this mean that "The bikers are not both wearing masks."?
A:
yes