A group of people in the grass while one person on the right sits in a tree.
Some people are sitting.
People in the grass and one person that sits in a tree shows that people are sitting.
exists p1 p2 p3 x1 x2 x3 x5.(n_right(x5) & n_grass(x3) & for(p1,x1) & exists x7.n_event(x7) & exists e1 x4 x6.(in(e1,x6) & n_tree(x6) & Actor(e1,x4) & v_sit(e1) & on(x4,x5) & n_person(x4) & card_eq_1(x4)) & while(p2,p3) & of(x1,x2) & in(x2,x3) & n_people(x2) & n_group(x1))
exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_people(x1))