A kid climbing a wall, wearing a helmet.
The helmet may save the kid's life.
Just because a kid is wearing a helmet it does not mean it will save the kid's life.
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_wear(e2) & n_helmet(x4) & Theme(e1,x3) & Actor(e1,x2) & v_climb(e1) & n_wall(x3) & (x1 = x2) & n_kid(x1))
exists e1 p1 x1 x2 x3.(n_life(x3) & of(x3,x2) & n_kid(x2) & n_helmet(x1) & exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_save(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_may(e1))