A group of children are playing in water.
Kids frolick in the water.
The kids frolick in the water is another way to say that they are playing in the water.
exists e1 x1 x2 x3.(in(e1,x3) & n_water(x3) & Actor(e1,x1) & v_play(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
exists x1 x2 x3.(n_water(x3) & a_topic(x1) & in(x1,x3) & n_frolick(x1) & (x1 = x2) & ne_nam_kids(x2))