A crosscountry runner is running on a trail surrounded by grass and trees.
A person is sleeping.
One who is running cannot be sleeping simultaneously.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(on(e1,x2) & Actor(e2,x4) & subset_of(x6,x4) & n_tree(x6) & subset_of(x5,x4) & n_grass(x5) & Theme(e2,x3) & v_surround(e2) & (x2 = x3) & n_trail(x2) & Actor(e1,x1) & v_run(e1) & n_runner(x1) & a_crosscountry(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_person(x1))