four people in a snow covered field with hacksaws.
The four people are going for a walk.
If they are in a field with hacksaws they are probably using them for work and not just going for a walk.
exists e1 x1 x2 x3 x4.(with(e1,x4) & n_hacksaw(x4) & Theme(e1,x3) & Actor(e1,x1) & v_cover(e1) & n_field(x3) & in(x1,x2) & n_snow(x2) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2.(n_people(x1) & card_eq_4(x1) & for(e1,x2) & n_walk(x2) & Actor(e1,x1) & v_go(e1))