A snowboarder dressed in yellow makes a jump.
There is a person skiing.
Snowboarding is not skiing.
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_make(e2) & n_jump(x4) & in(e1,x3) & n_yellow(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_snowboarder(x1))
exists p1 x1 x2 x3.((x1 = x2) & Time(x2,x3) & n_skiing(x3) & n_person(x2))