A snowboarder leaves a trail of snow on the mountain.
The snowboarder is on his way to the top of the mountain.
A snowboarder leaving a trail of snow doesn't imply snowboarder is on his way to the top of the mountain.
exists e1 x1 x2 x3 x4.(n_mountain(x4) & Theme(e1,x2) & Actor(e1,x1) & v_leave(e1) & on(x2,x4) & of(x2,x3) & n_snow(x3) & n_trail(x2) & n_snowboarder(x1))
exists p1 x1 x2 x3 x4.(n_mountain(x4) & n_top(x3) & n_way(x2) & of(x2,x1) & n_male(x1) & n_snowboarder(x1) & on(x1,x2) & to(x2,x3) & of(x3,x4))