premise: A group of people gathered to watch fireworks.
hypothesis: Everyone is outside looking into the sky.
explanation_1: One can watch fireworks by looking into the sky
explanation_2: If the people are gathered to watch fireworks, they would be looking into the sky to see the fireworks.
explanation_3: Everyone is a rephrasing of a group of people, and fireworks is done outdoors, so they are outside.
premise_logic: exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_gather(e1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & n_firework(x3)) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists x2.(n_sky(x2) & all x1.(n_person(x1) -> exists e1 s1.(for(s1,e1) & into(e1,x2) & Actor(e1,x1) & v_look(e1) & Theme(s1,x1) & a_outside(s1))))
premise_sim: exists e1 p1 x1 x2.(v_gather(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & exists e2 x3.(v_watch(e2) & n_firework(x3) & Theme(e2,x3) & Actor(e2,x1)) & Topic(e1,p1) & Actor(e1,x1))
hypothesis_sim: exists x2.(n_sky(x2) & all x1.(exists e1 s1.(v_look(e1) & into(e1,x2) & for(s1,e1) & a_outside(s1) & Theme(s1,x1) & Actor(e1,x1)) | -n_person(x1)))