Two doctors in blue coats are performing surgery.
The doctors are sewing up organs.
Performing surgery does not imply sewing up organs.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_surgery(x3) & in(x1,x2) & n_coat(x2) & a_blue(s1) & Theme(s1,x2) & n_doctor(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_doctor(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_sew(e1) & n_organ(x2))