Two men doing karate in a dojo.
Some people are doing karate
Both subjects are doing karate
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_dojo(x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_karate(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_karate(x2) & n_people(x1))