Q: "A downed unicycle in front of a crowd." Does this mean that "A man has fallen off a unicycle."?
A: it is not possible to tell

Q: "A group of people crossing ropes that are suspended over water." Does this mean that "A group of people are crossing the body of water."?
A: yes

Q: "A man hanging off a partially framed roof." Does this mean that "A man slipped and is now hanging off a roof."?
A: it is not possible to tell

Q: "A middle-aged woman cleans the windows on a boat." Does this mean that "The woman is cleaning the boat windows."?
A:
yes