A snowboarder slides along a ramp over a snowy gap.
A snowboarder face plants into the snow.
If the snowboarder slides along a ramp over a snowy gap their face cannot plant into the snow at the same time.
exists e1 s1 x1 x2 x3.(along(e1,x2) & over(x2,x3) & n_gap(x3) & a_snowy(s1) & Theme(s1,x3) & n_ramp(x2) & Actor(e1,x1) & v_slide(e1) & n_snowboarder(x1))
exists x1 x2 x3 x4.(n_snow(x4) & a_topic(x1) & into(x1,x4) & n_plant(x1) & of(x1,x3) & n_face(x3) & of(x1,x2) & n_snowboarder(x2))