Kids are playing in an oceanic tidal flat.
The adults are finding oysters.
kids are different from adults, and while they are  playing in an oceanic tidal flat, the adults are finding oysters.
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_flat(x2) & a_tidal(s2) & Theme(s2,x2) & a_oceanic(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1))
exists e1 x1 x2.(n_adult(x1) & Theme(e1,x2) & Actor(e1,x1) & v_find(e1) & n_oyster(x2))