premise: Women in blue dress singing on stage.
hypothesis: A man is singing on stage.
explanation_1: The person singing on stage can't be both a man and a woman.
explanation_2: Man cannot be  women
explanation_3: One cannot be a man and a women at the same time.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(e1,x4) & n_stage(x4) & Actor(e1,x3) & v_sing(e1) & (x2 = x3) & n_dress(x2) & a_blue(s1) & Theme(s1,x2) & n_woman(x1))
hypothesis_logic: exists e1 x1 x2.(on(e1,x2) & n_stage(x2) & Actor(e1,x1) & v_sing(e1) & n_man(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4.(v_sing(e1) & on(e1,x4) & n_woman(x1) & n_stage(x4) & n_dress(x2) & in(x1,x2) & a_topic(x1) & a_blue(s1) & Theme(s1,x2) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2.(v_sing(e1) & on(e1,x2) & n_stage(x2) & n_man(x1) & Actor(e1,x1))