Three people wearing colorful costumes and masks sitting between two stone statues.
Three people celebrating halloween sit among some statues
The people could be wearing costumes for many reasons, not just because it is halloween.
exists e1 e2 s1 x1 x2 x3 x4 x5.(between(e2,x4) & n_statue(x4) & of(x4,x5) & n_stone(x5) & card_eq_2(x4) & Actor(e2,x3) & v_sit(e2) & n_mask(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2) & a_colorful(s1) & Theme(s1,x2) & n_people(x1) & card_eq_3(x1))
exists e1 e2 x1 x2 x3 x4.(among(e2,x4) & n_statue(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_celebrate(e1) & n_halloween(x3) & (x1 = x2) & n_people(x1) & card_eq_3(x1))