These women are collecting dirt for some unknown reason.
Women are picking up dirt.
no reason is know why the women like dirt
exists e1 s1 x1 x2 x3.(n_woman(x1) & for(e1,x3) & n_reason(x3) & a_unknown(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_collect(e1) & n_dirt(x2))
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & n_dirt(x2) & n_woman(x1))