Small child wearing a yellow life jacket walks in the sand with their boogieboard on their head.
A child is outside with his boogieboard.
A small child is a type of child and sand is outside so therefore the child is outside.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_head(x7) & of(x7,x5) & n_thing(x5) & n_thing(x5) & n_boogieboard(x6) & of(x6,x5) & n_sand(x5) & with(e2,x6) & on(x6,x7) & in(e2,x5) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jacket(x3) & of(x3,x4) & n_life(x4) & a_yellow(s2) & Theme(s2,x3) & (x1 = x2) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists s1 x1 x2.(with(s1,x2) & n_boogieboard(x2) & of(x2,x1) & n_male(x1) & Theme(s1,x1) & a_outside(s1) & n_child(x1))