A small boy in a blue shirt splashes water in a baby pool outside.
A toddler is riding a horse into battle.
The subject is either a small boy or a toddler.  The gender is either a boy or not specified.  The child cannot be in the baby pool and riding a horse into battle simultaneously.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(in(e1,x4) & n_outside(x4) & of(x4,x6) & n_pool(x6) & of(x4,x5) & n_baby(x5) & Theme(e1,x3) & Actor(e1,x1) & v_splash(e1) & n_water(x3) & in(x1,x2) & n_shirt(x2) & a_blue(s2) & Theme(s2,x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(into(e1,x3) & n_battle(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2) & n_toddler(x1))