premise: two surfers are riding waves in open water.
hypothesis: Two people are outside.
explanation_1: Two surfers are two people and open water implies being outside.
premise_logic: exists e1 s1 x1 x2 x3.(in(e1,x3) & n_water(x3) & a_open(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_wave(x2) & n_surfer(x1) & card_eq_2(x1))
hypothesis_logic: exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_people(x1) & card_eq_2(x1))
premise_sim: exists e1 s1 x1 x2 x3.(v_ride(e1) & n_wave(x2) & n_water(x3) & n_surfer(x1) & in(e1,x3) & card_eq_2(x1) & a_open(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists s1 x1.(n_people(x1) & card_eq_2(x1) & a_outside(s1) & Theme(s1,x1))