A man grips onto his walking stick as he hikes the rough terrain.
A man is sleeping
One who hikes cannot be sleeping simultaneously.
exists e1 p1 s1 x1 x2 x3 x4.(n_terrain(x4) & a_rough(s1) & Theme(s1,x4) & exists e2.(Theme(e2,x4) & Actor(e2,x1) & v_hike(e2)) & n_male(x1) & n_male(x1) & as(e1,p1) & onto(e1,x2) & n_stick(x2) & of(x2,x3) & n_walking(x3) & of(x2,x1) & Actor(e1,x1) & v_grip(e1) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_man(x1))