A surgeon is performing an intricate procedure.
The doctor is performing surgery.
Doctor is surgeon.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_procedure(x2) & a_intricate(s1) & Theme(s1,x2) & n_surgeon(x1))
exists e1 x1 x2.(n_doctor(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_surgery(x2))