Two young people are wearing costumes.
Two people dressing up.
Young people are people, and wearing costumes is the same as dressing up.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Actor(e1,x2) & v_dress(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))