A cameraman filming a musical performance.
A cameraman is watching a performance.
In order to be filming you must be watching.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_film(e1) & n_performance(x3) & a_musical(s1) & Theme(s1,x3) & (x1 = x2) & n_cameraman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_performance(x2) & n_cameraman(x1))