premise: Three people are smiling while having food and drinks.
hypothesis: The three people know each other.
explanation_1: It is not necessarily true that they know each other.
premise_logic: exists e1 e2 x1 x2 x3 x4.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & subset_of(x4,x2) & n_drink(x4) & subset_of(x3,x2) & n_food(x3) & Actor(e1,x1) & v_smile(e1) & n_people(x1) & card_eq_3(x1))
hypothesis_logic: exists x1.(n_people(x1) & card_eq_3(x1) & all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_know(e1))))
premise_sim: exists e1 e2 x1 x2 x3 x4.(while(e1,e2) & v_smile(e1) & v_have(e2) & subset_of(x4,x2) & subset_of(x3,x2) & n_people(x1) & n_food(x3) & n_drink(x4) & card_eq_3(x1) & Theme(e2,x2) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_people(x1) & card_eq_3(x1) & all x2.(exists e1.(v_know(e1) & Theme(e1,x2) & Actor(e1,x1)) | -n_other(x2)))