A snowboarder wearing a red coat is going down a snow-covered slope.
Snowboarder is waiting for someone.
One cannot be going down and at the same time be waiting for someone.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(a_down(s3) & Manner(e2,s3) & Theme(e2,x4) & Actor(e2,x1) & v_go(e2) & n_slope(x4) & a_snow-covered(s2) & Theme(s2,x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_coat(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_snowboarder(x1))
exists e1 x1 x2.(ne_nam_snowboarder(x1) & for(e1,x2) & n_person(x2) & Actor(e1,x1) & v_wait(e1))