premise: Girl wearing white shirt sings on stage while playing guitar
hypothesis: A man play the triangle.
explanation_1: A girl cannot be a man at the same time and if you're playing guitar you cannot be playing the triangle as well.
explanation_2: A girl is not a man. A guitar is not a triangle.
explanation_3: a girl can't be a man.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4 x5.(ne_nam_girl(x1) & while(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & n_guitar(x5) & on(e1,x4) & n_stage(x4) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_sing(x2) & of(x2,x3) & n_shirt(x3) & a_white(s1) & Theme(s1,x2))
hypothesis_logic: exists x1 x2 x3.(a_topic(x1) & n_triangle(x3) & (x1 = x3) & n_play(x1) & of(x1,x2) & n_man(x2))