A doctor in blue scrubs performing an surgery.
A doctor is at a hospital.
Surgery does not have to be performed at a hospital.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_perform(e1) & n_surgery(x4) & (x2 = x3) & n_scrub(x2) & a_blue(s1) & Theme(s1,x2) & n_doctor(x1))
exists p1 x1.(exists x2.(at(x1,x2) & n_hospital(x2)) & n_doctor(x1))