premise: A group of people gathered at night watching an event.
hypothesis: A group of friends are watching the music concert at night.
explanation_1: Not all events are music concerts.
explanation_2: You can be with people and not be friends and not all events are a music concert.
explanation_3: Not all event is a music concert.
premise_logic: exists e2 e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & for(e1,e2) & Theme(e2,x5) & Actor(e2,x3) & v_watch(e2) & n_event(x5) & at(e1,x4) & n_night(x4) & Theme(e1,x3) & v_gather(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(n_concert(x3) & of(x3,x4) & n_music(x4) & at(e1,x5) & n_night(x5) & Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & of(x1,x2) & n_friend(x2) & n_group(x1))