A snowboarder jumps across a snowy hill.
A snowboarder in the air.
Snowboarder will be in air for some time while it jumps.
exists e1 s1 x1 x2.(across(e1,x2) & n_hill(x2) & a_snowy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_jump(e1) & n_snowboarder(x1))
exists x1 x2.(n_air(x2) & a_topic(x1) & in(x1,x2) & n_snowboarder(x1))