a person riding a snowboard with a pink bottom
A kid in green is riding a skateboard.
The person can't simultaneously be riding a skateboard and a snowboard.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_bottom(x4) & a_pink(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_snowboard(x3) & (x1 = x2) & n_person(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_skateboard(x3) & in(x1,x2) & n_green(x2) & n_kid(x1))