People and camels sitting and standing on beach
There are both humans and camels on a beach.
People are humans.
exists e1 e2 s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & on(e2,x5) & n_beach(x5) & Actor(e2,x4) & v_stand(e2) & (x2 = x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_camel(x2) & subset_of(x1,s1) & n_people(x1))
exists p1 x1 x2 x3 x4.(n_camel(x4) & n_human(x3) & subset_of(x4,x2) & subset_of(x3,x2) & exists x5.((x1 = x2) & on(x2,x5) & n_beach(x5)))