Two people in green sit in an otherwise empty stadium.
Two people in green are sitting.
In the first sentence they do sit, so in the second sentence they are now sitting.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_stadium(x3) & a_empty(s1) & Theme(s1,x3) & r_otherwise(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_green(x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_green(x2) & n_people(x1) & card_eq_2(x1))