A yellow tractor sits on a hillside.
A yellow tractor is parked in the barn.
The yellow tractor cannot be parked in the barn if it sits on a hillside.
exists e1 s1 x1 x2.(on(e1,x2) & n_hillside(x2) & Actor(e1,x1) & v_sit(e1) & n_tractor(x1) & a_yellow(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_barn(x2) & in(e1,x2) & Theme(e1,x1) & v_park(e1) & n_tractor(x1) & a_yellow(s1) & Theme(s1,x1))