A brown dog is running in a grassy plain.
The dog is sleeping in the grassy plain.
The dog cannot simultaneously be running and sleeping
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_plain(x2) & a_grassy(s2) & Theme(s2,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_plain(x2) & a_grassy(s1) & Theme(s1,x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_sleep(e1))