A video camera recording an orchestra.
the orchestra was performing
The orchestra was performing in front of the camera.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_record(e1) & n_orchestra(x3) & (x1 = x2) & n_camera(x1) & a_video(s1) & Theme(s1,x1))
exists e1 x1.(n_orchestra(x1) & Actor(e1,x1) & v_perform(e1))