premise: Many people are on a party.
hypothesis: People are having a wedding party.
explanation_1: There are many types of parties that people can have.  A wedding party is one type of party.  Not all people who go to a party go to a wedding party.
premise_logic: exists p1 x1.(exists x2.(on(x1,x2) & n_party(x2)) & n_people(x1) & n_quantity(x1))
hypothesis_logic: exists e2 e1 x1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & n_party(x2) & Actor(e1,x2) & v_wed(e1) & n_people(x1))
premise_sim: exists x1.(n_quantity(x1) & n_people(x1) & exists x2.(on(x1,x2) & n_party(x2)))
hypothesis_sim: exists e2 e1 x1 x2.(v_wed(e1) & v_have(e2) & n_people(x1) & n_party(x2) & Theme(e2,x2) & Actor(e2,x1) & Actor(e1,x2))