premise: a group of people are wearing costumes
hypothesis: People are wearing costumes.
explanation_1: The people are wearing costumes because the group of people are wearing costumes.
explanation_2: A group of people are people, and they are wearing costumes.
explanation_3: A group means that there are people.
premise_logic: exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_costume(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2) & n_people(x1))