premise: A woman with a stroller is passing a man walking a dog.
hypothesis: There is a black dog outside.
explanation_1: You can not infer the dog is black.
explanation_2: Dogs come in many colors, not just black. It's possible that they passed each other in a veterinary office, or other inside locations, not outside.
explanation_3: The dog could be any color, not necessarily black.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x3) & Actor(e2,x1) & v_pass(e2) & Theme(e1,x5) & Actor(e1,x4) & v_walk(e1) & n_dog(x5) & (x3 = x4) & n_man(x3) & with(x1,x2) & n_stroller(x2) & n_woman(x1))
hypothesis_logic: exists p1 x1 s1 x2 x3.((x1 = x2) & n_outside(x2) & of(x2,x3) & n_dog(x3) & a_black(s1) & Theme(s1,x2))
premise_sim: exists e1 e2 x1 x2 x3 x4 x5.(with(x1,x2) & v_walk(e1) & v_pass(e2) & n_woman(x1) & n_stroller(x2) & n_man(x3) & n_dog(x5) & Theme(e2,x3) & Theme(e1,x5) & Actor(e2,x1) & Actor(e1,x4) & (x3 = x4))
hypothesis_sim: exists x1 s1 x2 x3.(of(x2,x3) & n_outside(x2) & n_dog(x3) & a_black(s1) & Theme(s1,x2) & (x1 = x2))