A man wearing straw hat is hiking while looking at the camera.
A man is hiking to meet his friends at the top a hill.
Not all man wearing straw hat hiking while looking at the camera is hiking to meet his friends.
exists e3 e2 e1 x1 x2 x3 x4 x5.(n_camera(x5) & while(e2,e3) & at(e3,x5) & Actor(e3,x1) & v_look(e3) & Actor(e2,x1) & v_hike(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & of(x3,x4) & n_straw(x4) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2 x4.(n_top(x4) & Topic(e1,p1) & Actor(e1,x1) & v_hike(e1) & exists e2.(all x3.(n_hill(x3) -> (at(e2,x4) & for(x4,x3))) & Theme(e2,x2) & Actor(e2,x1) & v_meet(e2)) & n_friend(x2) & of(x2,x1) & n_male(x1) & n_man(x1))