Someone in green pants is standing on a snowboard.
There is an athlete that is in a bright color ready to snowboard.
Green does not imply bright.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_snowboard(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_pants(x2) & a_green(s1) & Theme(s1,x2) & n_person(x1))
exists p1 x1 p2 x2 x3.((x1 = x2) & exists p3 s1 s2 x4 x5.(in(x3,x4) & Topic(s2,p3) & Actor(s2,x5) & a_ready(s2) & exists e1.(Actor(e1,x5) & v_snowboard(e1)) & (x4 = x5) & n_color(x4) & a_bright(s1) & Theme(s1,x4)) & (x2 = x3) & n_athlete(x2))