Two men are walking with an elephant.
Some people are walking with an animal.
Two mean are some people.  An elephant is an animal.
exists e1 x1 x2.(with(e1,x2) & n_elephant(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(with(e1,x2) & n_animal(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))