A woman is snowboarding down an incline while another woman stands behind.
The woman is a professional snowboarder.
Just because the woman is going down an incline, does not mean she is a professional snowboarder.
exists e1 p1 s1 x1 x2.(exists e2 s2 x3.(a_behind(s2) & Manner(e2,s2) & Actor(e2,x3) & v_stand(e2) & n_woman(x3) & -(x3 = x1)) & n_woman(x1) & n_woman(x1) & while(e1,p1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_snowboard(e1) & n_incline(x2))
exists p1 x1.(n_woman(x1) & exists s1 x2.((x1 = x2) & n_snowboarder(x2) & a_professional(s1) & Theme(s1,x2)))