A girl and a guy sitting on the ground while the girl is blowing bubbles.
Two people are walking on the beach.
They are either sitting on the ground or walking on the beach.
exists e1 p1 s1 x1 x2 x3 x4.(n_ground(x4) & a_topic(s1) & subset_of(x2,s1) & exists e2 x5.(Theme(e2,x5) & Actor(e2,x1) & v_blow(e2) & n_bubble(x5)) & n_girl(x1) & n_girl(x1) & while(e1,p1) & on(e1,x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_guy(x2) & subset_of(x1,s1))
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & card_eq_2(x1))