Two girls in matching costumes are holding drumsticks.
The two girls are at a Halloween party.
Costumes do not necessarily mean a Halloween party.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & n_drumstick(x3) & in(x1,x2) & n_costume(x2) & a_matching(s1) & Theme(s1,x2) & n_girl(x1) & card_eq_2(x1))
exists p1 x1.(n_girl(x1) & card_eq_2(x1) & exists x2 x3.(at(x1,x2) & n_party(x2) & (x2 = x3) & ne_org_halloween(x3)))