premise: A black dog running through the forest.
hypothesis: A grey dog sniffing a mushroom outside.
explanation_1: The dog cannot be simultaneously black and grey
explanation_2: The dog cannot be grey if it is black.
explanation_3: A black dog can not be a grey dog.
premise_logic: exists e1 s1 x1 x2 x3.(n_forest(x3) & a_topic(x1) & through(e1,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_sniff(e1) & n_outside(x3) & of(x3,x4) & n_mushroom(x4) & (x1 = x2) & n_dog(x1) & a_grey(s1) & Theme(s1,x1))