A man with a mask and various pieces of clothing.
A man is wearing a mask
If there is a man with a mask then a man is wearing a mask.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & subset_of(x4,x2) & of(x4,x5) & n_clothing(x5) & n_piece(x4) & a_various(s1) & Theme(s1,x4) & subset_of(x3,x2) & n_mask(x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_mask(x2) & n_man(x1))