premise: One girl is playing a recorder and another girl is playing the guitar.
hypothesis: there are two girls
explanation_1: one girl is playing recorder and another is playing guitar shows that there are two girls
premise_logic: exists e1 e2 x1 x2 x3 x4.(n_guitar(x4) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_girl(x3) & -(x3 = x1) & n_girl(x1) & n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_recorder(x2) & card_eq_1(x1))
hypothesis_logic: exists p1 x1 x2.((x1 = x2) & n_girl(x2) & card_eq_2(x2))
premise_sim: exists e1 e2 x1 x2 x3 x4.(v_play(e2) & v_play(e1) & n_recorder(x2) & n_guitar(x4) & n_girl(x3) & n_girl(x1) & card_eq_1(x1) & Theme(e2,x4) & Theme(e1,x2) & Actor(e2,x3) & Actor(e1,x1) & -(x3 = x1))
hypothesis_sim: exists x1 x2.(n_girl(x2) & card_eq_2(x2) & (x1 = x2))