Two people digging a hole while one looks on.
Three people are sitting on a couch watching TV.
Sitting and digging are different.
exists e1 e2 x1 x2 x3 x4 x5.(on(e2,x5) & n_thing(x5) & Actor(e2,x1) & v_look(e2) & while(e1,x4) & n_thing(x4) & card_eq_1(x4) & Theme(e1,x3) & Actor(e1,x2) & v_dig(e1) & n_hole(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & n_tv(x3) & on(e1,x2) & n_couch(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_3(x1))