A doctor checking on a girl.
A doctor checking for chicken pox.
A doctor checking for chicken pox doesn't implies that  doctor checking a girl.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_girl(x3) & Actor(e1,x2) & v_check(e1) & (x1 = x2) & n_doctor(x1))
exists x1 x2 x3 x4.(a_topic(x1) & for(x1,x3) & n_pox(x3) & of(x3,x4) & n_chicken(x4) & n_check(x1) & of(x1,x2) & n_doctor(x2))