Two kids are hugging playfully in shallow water.
Two kids are playing at the pool.
not all shallow water are pool
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_water(x2) & a_shallow(s2) & Theme(s2,x2) & a_playfully(s1) & Manner(e1,s1) & Actor(e1,x1) & v_hug(e1) & n_kid(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_pool(x2) & at(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1) & card_eq_2(x1))