Q: "A man wearing a white t-shirt and khaki pants with a tape measure is repairing shingles on a roof, surrounded by tools." Does this mean that "A man is working on a roof."?
A: yes

Q: "Two fencers, one Korean and one American, in an epee bout." Does this mean that "Two men fencing."?
A: it is not possible to tell

Q: "Four people are sitting on blue and green couches, while a fifth man sitting aside looks on, underneath a sprawling red tree." Does this mean that "A group of people is meeting up."?
A: it is not possible to tell

Q: "a man in a wetsuit is surfing" Does this mean that "A man sits on the beach to get a tan."?
A:
no