A hiker with a backpack looks down from a precipice.
A hiker is running from a bear.
A hiker looks down from a precipice would not be doing so if he was running from a bear.
exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & from(e1,x3) & n_precipice(x3) & Actor(e1,x1) & v_look(e1) & with(x1,x2) & n_backpack(x2) & n_hiker(x1))
exists e1 x1 x2.(from(e1,x2) & n_bear(x2) & Actor(e1,x1) & v_run(e1) & n_hiker(x1))