premise: Four people stand in front of a stage with microphones.
hypothesis: They are performing a song.
explanation_1: Four people on a stage with microphones may not be performing a song. They could be doing a group interview in front of an audience.
premise_logic: exists e1 x1 x2 x3 x4.(in(e1,x2) & with(x2,x4) & n_microphone(x4) & of(x2,x3) & n_stage(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_4(x1))
hypothesis_logic: exists e1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_song(x2))
premise_sim: exists e1 x1 x2 x3 x4.(with(x2,x4) & v_stand(e1) & of(x2,x3) & n_stage(x3) & n_people(x1) & n_microphone(x4) & n_front(x2) & in(e1,x2) & card_eq_4(x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_perform(e1) & n_thing(x1) & n_song(x2) & Theme(e1,x2) & Actor(e1,x1))