premise: A nurse in a blue shirt and a purple shirt talking.
hypothesis: There are two nurses talking.
explanation_1: Saying that they're wearing a blue shirt and purple shirt are just a specific way of describing the nurses.
premise_logic: exists e1 s1 s2 s3 x1 x2 x3 x4.(a_topic(s1) & subset_of(x3,s1) & Actor(e1,x4) & v_talking(e1) & (x3 = x4) & n_shirt(x3) & a_purple(s3) & Theme(s3,x3) & subset_of(x1,s1) & in(x1,x2) & n_shirt(x2) & a_blue(s2) & Theme(s2,x2) & n_nurse(x1))
hypothesis_logic: exists p1 x1 e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_talk(e1) & (x2 = x3) & n_nurse(x2) & card_eq_2(x2))
premise_sim: exists e1 s1 s2 s3 x1 x2 x3 x4.(v_talking(e1) & subset_of(x3,s1) & subset_of(x1,s1) & n_shirt(x3) & n_shirt(x2) & n_nurse(x1) & in(x1,x2) & a_topic(s1) & a_purple(s3) & a_blue(s2) & Theme(s3,x3) & Theme(s2,x2) & Actor(e1,x4) & (x3 = x4))
hypothesis_sim: exists x1 e1 x2 x3.(v_talk(e1) & n_nurse(x2) & card_eq_2(x2) & Actor(e1,x3) & (x2 = x3) & (x1 = x2))