Young women and men dressed in costumes sitting and standing.
Actors and actresses are visiting together.
Just because people wear costumes doesn't mean they are necessarily actors and actresses.
exists e4 e1 e3 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(Actor(e4,x6) & v_stand(e4) & in(e3,x10) & n_costume(x10) & Theme(e3,x9) & v_dress(e3) & (x6 = x9) & n_man(x8) & n_woman(x7) & subset_of(x8,x6) & subset_of(x7,x6) & a_young(s2) & Theme(s2,x6) & Actor(e2,x1) & v_sit(e2) & in(e1,x5) & n_costume(x5) & Theme(e1,x4) & v_dress(e1) & (x1 = x4) & n_man(x3) & n_woman(x2) & subset_of(x3,x1) & subset_of(x2,x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_visit(e1) & subset_of(x3,x1) & n_actress(x3) & subset_of(x2,x1) & n_actor(x2))