A young girl digs on the wet beach with a trowel.
A young girl is playing with sticks and stones.
digging could be playing. A trowel is not stick or stones.
exists s1 s2 x1 x2 x3 x4.(n_beach(x3) & a_wet(s2) & Theme(s2,x3) & a_topic(x1) & on(x1,x3) & with(x3,x4) & n_trowel(x4) & n_dig(x1) & of(x1,x2) & n_girl(x2) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3 x4.(with(e1,x2) & subset_of(x4,x2) & n_stone(x4) & subset_of(x3,x2) & n_stick(x3) & Actor(e1,x1) & v_play(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))