Two woman are doing karate.
Some people are practicing karate.
Women are people and practicing is a rephrase of doing.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_karate(x2) & n_woman(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_practice(e1) & n_karate(x2) & n_people(x1))