Woman in a green dress with a white top and red-hair singing in a room with a blue roof while band equipment is being prepared.
The woman is waiting on a concert to start.
Singing in a room is not necessarily waiting on a concert to start.
(-x)
exists e1 p1 x1 x2.(n_woman(x1) & Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_start(e2)) & on(e1,x2) & n_concert(x2) & Actor(e1,x1) & v_wait(e1))