premise: Two boys swim on a sunny day.
hypothesis: They are swimming.
explanation_1: They are swimming is a rephrasing of two boys swim.
premise_logic: exists e1 s1 x1 x2.(on(e1,x2) & n_day(x2) & a_sunny(s1) & Theme(s1,x2) & Actor(e1,x1) & v_swim(e1) & n_boy(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1.(n_thing(x1) & Actor(e1,x1) & v_swim(e1))
premise_sim: exists e1 s1 x1 x2.(v_swim(e1) & on(e1,x2) & n_day(x2) & n_boy(x1) & card_eq_2(x1) & a_sunny(s1) & Theme(s1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_swim(e1) & n_thing(x1) & Actor(e1,x1))