A woman is sitting at a telescope.
A lady is holding a telescopic tool.
Sitting does not imply holding.
exists e1 x1 x2.(at(e1,x2) & n_telescope(x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_tool(x2) & of(x2,x3) & n_telescopic(x3) & n_lady(x1))