A young man climbs a rocky hill.
There is a young man sittin.g
A young man cannot be sitting while he climbs
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_hill(x2) & a_rocky(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 s1 x2 x3.((x1 = x2) & n_sittin.g(x2) & of(x2,x3) & n_man(x3) & a_young(s1) & Theme(s1,x2))