premise: Two families on a picnic with green grass.
hypothesis: People are having a picnic.
explanation_1: Two families are people.
explanation_2: Two families are people and having a picnic is rephrasing of on a picnic.
explanation_3: Families are people.
premise_logic: exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & with(x2,x3) & n_grass(x3) & a_green(s1) & Theme(s1,x3) & n_picnic(x2) & n_family(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_picnic(x2) & n_people(x1))