Four people look over a scenic vista, while the woman in the group with a green hat talks to her friend on the left.
Three people go skydiving.
It can't be both three people and four people.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_left(x8) & n_friend(x7) & of(x7,x3) & n_female(x3) & n_group(x4) & n_woman(x3) & while(e1,x3) & with(x3,x5) & on(x5,x8) & to(x5,x7) & n_talk(x5) & of(x5,x6) & n_hat(x6) & a_green(s2) & Theme(s2,x5) & in(x3,x4) & over(e1,x2) & n_vista(x2) & a_scenic(s1) & Theme(s1,x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & card_eq_4(x1))
exists e1 p1 x1.(exists e2.(Actor(e2,x1) & v_skydive(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & n_people(x1) & card_eq_3(x1))