Two people walk at sunset.
A wolf is howling at the full moon.
people refers to human being whereas wolf refers to animal
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_sunset(x3) & Theme(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_moon(x2) & a_full(s1) & Theme(s1,x2) & at(e1,x2) & Actor(e1,x1) & v_howl(e1) & n_wolf(x1))