Three women and a man are lying on the grass.
It is a sunny day.
Even if it is not a sunny day, people can lye on the grass.
exists e1 x1 x2 x3 x4.(n_grass(x4) & on(e1,x4) & Actor(e1,x1) & v_lie(e1) & subset_of(x3,x1) & n_man(x3) & subset_of(x2,x1) & n_woman(x2) & card_eq_3(x2))
exists p1 x1.(n_thing(x1) & exists s1 x2.((x1 = x2) & n_day(x2) & a_sunny(s1) & Theme(s1,x2)))