A person skis down a snowy hill.
The woman is learning to ski.
Not every woman skis down a snowy hill is learning to ski.
exists e1 s1 s2 x1 x2.(a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_ski(e1) & n_hill(x2) & a_snowy(s1) & Theme(s1,x2) & n_person(x1))
exists e1 p1 x1.(n_woman(x1) & Topic(e1,p1) & Actor(e1,x1) & v_learn(e1) & exists e2.(Actor(e2,x1) & v_ski(e2)))