A father and child enjoy the water.
The child is playing on a swing while the father watches.
The child cannot enjoy the water and play on a swing simultaneously.
exists e1 x1 x2 x3 x4.(n_water(x4) & Theme(e1,x4) & Actor(e1,x1) & v_enjoy(e1) & n_child(x3) & n_father(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2 x3 x4.(n_watch(x3) & of(x3,x4) & n_father(x4) & n_child(x1) & while(e1,x3) & on(e1,x2) & n_swing(x2) & Actor(e1,x1) & v_play(e1))