Dog fetching a stick in the lake.
A dog fetches the newspaper.
The dog cannot fetch a stick and newpaper at the same time.
exists e1 x1 x2 x3.(n_lake(x3) & ne_nam_dog(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_fetch(e1) & n_stick(x2))
exists e1 x1 x2.(n_newspaper(x2) & Theme(e1,x2) & Actor(e1,x1) & v_fetch(e1) & n_dog(x1))