Two people wearing bright green and purple costumes with white masks.
The people are going to a halloween party
Wearing masks and costumes does not mean  are going to a halloween party.
exists e1 s1 s2 s3 s4 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & with(x3,x4) & n_mask(x4) & a_white(s4) & Theme(s4,x4) & n_costume(x3) & a_purple(s3) & Theme(s3,x3) & a_green(s2) & Theme(s2,x3) & a_bright(s1) & Theme(s1,x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_people(x1) & to(e1,x2) & n_party(x2) & of(x2,x3) & n_halloween(x3) & Actor(e1,x1) & v_go(e1))