A small dog running on a beach.
A St. Bernard is flying near the ocean.
A dog cannot be running and flying at the same time.
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_beach(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_ocean(x3) & near(e1,x3) & Actor(e1,x1) & v_fly(e1) & ne_geo_bernard(x1) & (x1 = x2) & ne_geo_st.(x2))