Q: "many people in a room filled with halloween decorations." Does this mean that "People were surrounded by the season's decor."?
A: yes

Q: "An event in which stands have been erected and large group of people are attracted takes place outside." Does this mean that "a crowd checks out a pop up art exhibit"?
A: it is not possible to tell

Q: "Several people walk up a flight of stairs." Does this mean that "The people are trying to get exercise."?
A: it is not possible to tell

Q: "A woman with dark hair is sitting under a hair dryer." Does this mean that "A woman sits under a hair dryer."?
A:
yes