Several young children in Halloween costumes watching an outdoor event.
The children are attending an event on Halloween.
Although they are in costumes, it does not imply it is on Halloween.
exists e1 p1 s1 s2 x1 x2.(ne_geo_halloween(x2) & exists e2 s3 x3.(Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & n_event(x3) & a_outdoor(s3) & Theme(s3,x3)) & Topic(e1,p1) & Actor(e1,x1) & v_costume(e1) & in(x1,x2) & n_child(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(ne_tim_halloween(x3) & n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_attend(e1) & on(x2,x3) & n_event(x2))