Q: "Several couples dancing outside while one female is looking towards the camera." Does this mean that "A bunch of people dancing while a woman looks at a camera."?
A: yes

Q: "a man sitting on a chair with a house in the background." Does this mean that "A person is seated in front of a building."?
A: yes

Q: "A man in a baseball tee-shirt is sweeping what appears to be an empty pond in a festive looking backyard." Does this mean that "A man is cleaning after a party"?
A: it is not possible to tell

Q: "four women rollerblade." Does this mean that "Women are rollerblading at a park."?
A:
yes