two dogs are wrestling in a grassy field.
Two mammals are wrestling over a bone.
If two dogs wrestle, it doesn't imply they do so over a bone.
exists e1 s1 x1 x2.(in(e1,x2) & n_field(x2) & a_grassy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_wrestle(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(over(e1,x2) & n_bone(x2) & Actor(e1,x1) & v_wrestle(e1) & n_mammal(x1) & card_eq_2(x1))