A man in green and brown swings a pick-axe at the ground while two people with shovels watch.
A woman is swinging a pick axe.
The person cannot be a man and a woman.
(x)
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_swing(e1) & Time(x2,x3) & n_axe(x3) & n_pick(x2) & n_woman(x1))