Young children are having a fun summer day by playing in water.
The children are in the water
Because they are children doesn't mean they are all young children.
exists e2 e1 s1 x1 x2 x3 x4 x5.(by(e1,e2) & in(e2,x5) & n_water(x5) & Actor(e2,x1) & v_play(e2) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_day(x2) & of(x2,x4) & n_summer(x4) & of(x2,x3) & n_fun(x3) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_water(x2) & n_child(x1) & in(x1,x2))