A black dog holding a weight in its mouth stands next to a person.
A dog is standing.
stands and standing are two forms of the same word.
exists e2 e1 s1 x1 x2 x3 x4 x5.(to(e2,x5) & n_person(x5) & r_next(e2) & Actor(e2,x1) & v_stand(e2) & in(e1,x4) & n_mouth(x4) & of(x4,x1) & n_thing(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_weight(x3) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_dog(x1))