The snowboarder gazes into the distance at some mountains.
The snowboarder is sleeping on the mountainside.
One cannot be sleeping while he gazes.
exists e1 x1 x2 x3.(n_distance(x2) & n_snowboarder(x1) & at(e1,x3) & n_mountain(x3) & into(e1,x2) & Actor(e1,x1) & v_gaze(e1))
exists e1 x1 x2.(n_mountainside(x2) & n_snowboarder(x1) & on(e1,x2) & Actor(e1,x1) & v_sleep(e1))