A woman wearing a yellow helmet is using a zipline.
There is a woman using a zipline.
One is usually wearing a helmet when using a zipline.
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_use(e2) & n_zipline(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & a_yellow(s1) & Theme(s1,x3) & (x1 = x2) & n_woman(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_use(e1) & n_zipline(x4) & (x2 = x3) & n_woman(x2))