premise: Two doctors perform surgery on patient.
hypothesis: Two doctors are performing surgery on a man.
explanation_1: Not every patient is a man
explanation_2: Not every patient is a man.
explanation_3: You don't know that the patient is a man in the first sentence.
premise_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_patient(x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_surgery(x2) & n_doctor(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_man(x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_surgery(x2) & n_doctor(x1) & card_eq_2(x1))
premise_sim: exists e1 x1 x2 x3.(v_perform(e1) & on(e1,x3) & n_surgery(x2) & n_patient(x3) & n_doctor(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_perform(e1) & on(e1,x3) & n_surgery(x2) & n_man(x3) & n_doctor(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))