Two people standing on a beach looking at seagulls and the surf.
Two people are swimming
Swimming is not standing.
exists e2 e1 x1 x2 x3 x4 x5 x6.(n_surf(x6) & a_topic(x1) & for(e1,e2) & at(e2,x4) & subset_of(x6,x4) & subset_of(x5,x4) & n_seagull(x5) & Actor(e2,x2) & v_look(e2) & on(e1,x3) & n_beach(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_swim(e1) & n_people(x1) & card_eq_2(x1))