Two men are toasting a cup of beer together, while another watches.
Two men play hockey while their friend takes a nap.
One does not toast beer while playing hockey.  A person cannot watch and nap at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(n_watch(x4) & while(e1,x5) & n_watch(x5) & -(x5 = x4) & a_together(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_toast(e1) & of(x2,x3) & n_beer(x3) & n_cup(x2) & n_man(x1) & card_eq_2(x1))
exists e1 p1 x1 x2 x3.(exists e2 x4.(Theme(e2,x4) & Actor(e2,x3) & v_take(e2) & n_nap(x4)) & n_friend(x3) & of(x3,x1) & n_thing(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & n_man(x1) & card_eq_2(x1))