There is a man swimming with a child.
A man is teaching his child how to swim.
Nothing implies him teaching the child to swim
exists p1 x1 x2 x3 x4.((x1 = x2) & with(x2,x4) & n_child(x4) & n_swimming(x2) & of(x2,x3) & n_man(x3))
exists e1 p1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_teach(e1) & Topic(x2,p1) & exists e2.(Actor(e2,x2) & v_swim(e2)) & n_child(x2) & of(x2,x1) & n_male(x1) & n_man(x1))