A child swims with a woman.
The child is in the lake.
A child can swim in other water bodies that isn't a lake.
exists e1 x1 x2.(with(e1,x2) & n_woman(x2) & Actor(e1,x1) & v_swim(e1) & n_child(x1))
exists p1 x1 x2.(n_lake(x2) & n_child(x1) & in(x1,x2))