Q: "Group of young men posing and holding cans." Does this mean that "A group of men hold cans at a food drive."?
A: it is not possible to tell

Q: "A woman gets into a position to hit a tennis ball." Does this mean that "The woman is playing baseball."?
A: no

Q: "A man is standing behind a counter in a shop." Does this mean that "The man is inside."?
A: yes

Q: "A man with a big backpack is walking through a grass trail up a hill." Does this mean that "A woman with a big backpack is walking through a grass trail up a hill."?
A:
no