premise: Many people are smiling as they gather in a room.
hypothesis: People are indoors.
explanation_1: "In a room" implies being indoors.
explanation_2: Many people are people.  A room is indoors.
explanation_3: People are in a room which implies that they are indoors.
premise_logic: exists e1 p1 x1.(exists e2 x2.(in(e2,x2) & n_room(x2) & Actor(e2,x1) & v_gather(e2)) & n_thing(x1) & as(e1,p1) & Actor(e1,x1) & v_smile(e1) & n_people(x1) & n_quantity(x1))
hypothesis_logic: exists p1 x1.(exists x2.((x1 = x2) & n_indoor(x2)) & n_people(x1))
premise_sim: exists e1 p1 x1.(v_smile(e1) & n_thing(x1) & n_quantity(x1) & n_people(x1) & exists e2 x2.(v_gather(e2) & n_room(x2) & in(e2,x2) & Actor(e2,x1)) & as(e1,p1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_people(x1) & exists x2.(n_indoor(x2) & (x1 = x2)))