premise: A young couple sitting in a black chair smiling.
hypothesis: Two young people sit in a black chair happily.
explanation_1: Smiling people are usually happy.
explanation_2: young couple is inferred as Two young people and smiling is inferred as happily.
explanation_3: The young couple is happily smiling.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3.(a_topic(x1) & for(e1,e2) & Actor(e2,x2) & v_smile(e2) & in(e1,x3) & n_chair(x3) & a_black(s2) & Theme(s2,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_couple(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 s2 s3 x1 x2.(a_happily(s3) & Manner(e1,s3) & in(e1,x2) & n_chair(x2) & a_black(s2) & Theme(s2,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))