A child putting on a bicycle helmet.
child going for bike ride
Not every child putting on a bicycle helmet is going for a bike ride.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_helmet(x3) & of(x3,x4) & n_bicycle(x4) & Actor(e1,x2) & v_put(e1) & (x1 = x2) & n_child(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & for(e1,x3) & n_ride(x3) & of(x3,x4) & n_bike(x4) & Actor(e1,x2) & v_go(e1) & (x1 = x2) & n_child(x1))