These women are collecting dirt for some unknown reason.
The women are swimming in the ocean.
The women cannot be both collecting dirt and swimming in the ocean.
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 x1 x2.(n_ocean(x2) & n_woman(x1) & in(e1,x2) & Actor(e1,x1) & v_swim(e1))