premise: Here are a bunch of people enjoying dinner and chatting.
hypothesis: Our group is enjoying an early brunch.
explanation_1: He refers to the meal the group is enjoying as dinner, not an early brunch.
explanation_2: group can't be enjoying brunch if they are enjoying dinner
explanation_3: Brunch is definitely different from dinner.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6.(Theme(s1,x1) & a_here(s1) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & subset_of(x6,x4) & n_chatting(x6) & subset_of(x5,x4) & n_dinner(x5) & (x1 = x3) & of(x1,x2) & n_people(x2) & n_bunch(x1))
hypothesis_logic: exists e1 s1 x1 x2.(Theme(e1,x1) & Actor(e1,x2) & v_enjoy(e1) & n_brunch(x1) & a_early(s1) & Theme(s1,x1) & n_group(x2) & of(x2,x1) & n_person(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4 x5 x6.(v_enjoy(e1) & subset_of(x6,x4) & subset_of(x5,x4) & of(x1,x2) & n_people(x2) & n_dinner(x5) & n_chatting(x6) & n_bunch(x1) & a_here(s1) & Theme(s1,x1) & Theme(e1,x4) & Actor(e1,x3) & (x1 = x3))
hypothesis_sim: exists e1 s1 x1 x2.(v_enjoy(e1) & of(x2,x1) & n_person(x1) & n_group(x2) & n_brunch(x1) & a_early(s1) & Theme(s1,x1) & Theme(e1,x1) & Actor(e1,x2))