Q: "DHL employees posing for a company photo in front of their business." Does this mean that "Employees posing for a company photo in front of their business."?
A: yes

Q: "The dog is jumping in the air." Does this mean that "the dog is happy"?
A: it is not possible to tell

Q: "Four boys posing while one boy sets his drink down." Does this mean that "Four boys are in a room."?
A: yes

Q: "The plate with the cheeseburger has a knife, fork,and spoon, while the plate with the club sandwich does not." Does this mean that "The fork, spoon, and knife are on the plate with the cheeseburger, not the club sandwich."?
A:
yes