a boy enjoys a rain shower.
A boy is playing in the rain.
enjoys a rain shower is rephrase of playing in the rain.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_shower(x2) & of(x2,x3) & n_rain(x3) & n_boy(x1))
exists e1 x1 x2.(n_rain(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))