People dressed as angels at a parade.
Some people are dressed up at a St. Patrick's Day Parade.
There are many different parades that happen, there is no way of knowing it is St. Patrick's Day.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x4) & n_parade(x4) & as(e1,x3) & n_angel(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_people(x1))
exists e1 s1 x1 x2 x3 x4 x5.(at(e1,x4) & ne_tim_parade(x4) & (x4 = x5) & ne_tim_day(x5) & of(x4,x2) & ne_geo_patrick(x2) & (x2 = x3) & ne_geo_st.(x3) & a_up(s1) & Manner(e1,s1) & Theme(e1,x1) & v_dress(e1) & n_people(x1))