A dog performs a trick on a ladder in front of a crowd observing his talent.
a cat looks out a window
There is either a dog or there is a cat. One cannot look out of a window and perform a trick simultaneously.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x2) & Actor(e2,x1) & v_perform(e2) & on(x2,x3) & in(x3,x4) & of(x4,x5) & Theme(e1,x7) & Actor(e1,x6) & v_observe(e1) & n_talent(x7) & of(x7,x1) & n_male(x1) & (x5 = x6) & n_crowd(x5) & n_front(x4) & n_ladder(x3) & n_trick(x2) & n_dog(x1))
exists e1 s1 x1 x2.(a_out(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_look(e1) & n_window(x2) & n_cat(x1))