Many small sailboats sitting at a dock.
Some people running in circles.
People are not sailboats, neither sailboats or people can be running and sitting at the sametime.
exists e1 s1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_dock(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_sailboat(x1) & a_small(s1) & Theme(s1,x1) & n_quantity(x1))
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_circle(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_people(x1))