premise: A group of people celebrating in the street.
hypothesis: People are celebrating their friend's birthday
explanation_1: It doesn't saying they are celebrating a birthday.
explanation_2: Just because the group of people are celebrating doesn't mean they are celebrating their friend's birthday.
explanation_3: People can celebrate for other reasons than their friend's birthday.
premise_logic: exists e1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & of(x1,x2) & in(e1,x4) & Actor(e1,x3) & v_celebrate(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_celebrate(e1) & n_birthday(x3) & of(x3,x2) & n_friend(x2) & of(x2,x1) & n_thing(x1) & n_people(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_celebrate(e1) & of(x1,x2) & n_street(x4) & n_people(x2) & n_group(x1) & in(e1,x4) & a_topic(x1) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2 x3.(v_celebrate(e1) & of(x3,x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & n_friend(x2) & n_birthday(x3) & Theme(e1,x3) & Actor(e1,x1))