premise: Many people are on a party.
hypothesis: People at a party enjoying themselves
explanation_1: People are not always enjoying themselves are a party.  Going to a party does not imply the people will be enjoying themselves.
premise_logic: exists p1 x1.(exists x2.(on(x1,x2) & n_party(x2)) & n_people(x1) & n_quantity(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(n_group(x4) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & (x1 = x3) & at(x1,x2) & n_party(x2) & n_people(x1))
premise_sim: exists x1.(n_quantity(x1) & n_people(x1) & exists x2.(on(x1,x2) & n_party(x2)))
hypothesis_sim: exists e1 x1 x2 x3 x4.(v_enjoy(e1) & n_people(x1) & n_party(x2) & n_group(x4) & at(x1,x2) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & (x1 = x3))