premise: Three people singing into a microphone.
hypothesis: Four people are dancing to the music.
explanation_1: The should be either three or four individuals.  They cannot be both singing and dancing.
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & into(e1,x3) & n_microphone(x3) & Actor(e1,x2) & v_sing(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
hypothesis_logic: exists e1 x1 x2.(n_music(x2) & to(e1,x2) & Actor(e1,x1) & v_dance(e1) & n_people(x1) & card_eq_4(x1))
premise_sim: exists e1 x1 x2 x3.(v_sing(e1) & n_people(x1) & n_microphone(x3) & into(e1,x3) & card_eq_3(x1) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_dance(e1) & to(e1,x2) & n_people(x1) & n_music(x2) & card_eq_4(x1) & Actor(e1,x1))