premise: Two brown dogs with green harnesses play tug-of-war.
hypothesis: some dogs are playing in a ground
explanation_1: Playing tug of ward could be anywhere, not necessarily in a ground
explanation_2: Just because dogs are playing tug-of-war does not mean they are playing in a ground.
explanation_3: The two brown dogs may not necessarily be in a ground playing.
premise_logic: exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_tug-of-war(x3) & with(x1,x2) & n_harness(x2) & a_green(s2) & Theme(s2,x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(in(e1,x2) & n_ground(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))