A snowboarder slides along a ramp over a snowy gap.
a man performs many tricks
A snowboarder could be male or female. A snowboarder sliding along a ramp does not mean they are performing many tricks.
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 e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & n_quantity(x2) & n_man(x1))