3 men in tuxedos and 2 women in dresses, sleeping on the grass.
The five people in formal wear are sleeping off a hangover on the grass.
Sleeping on grass does not necessarily mean they are sleeping off a hangover.
exists e1 x1 x2 x3 x4 x5 x6 x7.(n_grass(x7) & a_topic(x1) & on(e1,x7) & Actor(e1,x6) & v_sleep(e1) & (x1 = x6) & in(x1,x2) & subset_of(x4,x2) & in(x4,x5) & n_dress(x5) & n_woman(x4) & n_date(x4) & a_date_day_02(x4) & a_date_day_02(x4) & subset_of(x3,x2) & n_tuxedo(x3) & n_man(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1))
exists e1 s1 s2 x1 x2 x3 x4.(n_grass(x4) & n_people(x1) & card_eq_5(x1) & a_off(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_sleep(e1) & on(x3,x4) & n_hangover(x3) & in(x1,x2) & n_wear(x2) & a_formal(s1) & Theme(s1,x2))