Two children are dressed up like characters in Michael Jackson's' Thriller' video.
The children are wearing costumes.
dressed up means wearing costumes
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(in(e1,x7) & n_video(x7) & of(x7,x6) & ne_nam_thriller(x6) & of(x6,x3) & n_'s(x3) & (x3 = x5) & ne_per_jackson(x5) & (x3 = x4) & ne_per_michael(x4) & like(e1,x2) & n_character(x2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x1) & v_dress(e1) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2))