premise: the young children are petting a piglet
hypothesis: Children pet a horse at the zoo.
explanation_1: If the children are petting a piglet they cannot at the same time pet a horse.
premise_logic: exists e1 s1 x1 x2.(n_child(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_pet(e1) & n_piglet(x2))
hypothesis_logic: exists x4.(n_zoo(x4) & all x1.(n_horse(x1) -> exists x2 x3.(a_topic(x2) & at(x2,x4) & for(x2,x1) & n_pet(x2) & (x2 = x3) & ne_nam_children(x3))))
premise_sim: exists e1 s1 x1 x2.(v_pet(e1) & n_piglet(x2) & n_child(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x4.(n_zoo(x4) & all x1.(exists x2 x3.(ne_nam_children(x3) & n_pet(x2) & for(x2,x1) & at(x2,x4) & a_topic(x2) & (x2 = x3)) | -n_horse(x1)))