A man with a nose ring in his nose is brushing his teeth.
A man is brushing his teeth.
The man having a nose ring is more descriptive of who is brushing their teeth.
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_brush(e1) & n_tooth(x4) & of(x4,x1) & n_male(x1) & n_male(x1) & with(x1,x2) & in(x2,x3) & n_nose(x3) & n_nose(x3) & of(x3,x1) & n_ring(x2) & of(x2,x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_brush(e1) & n_tooth(x2) & of(x2,x1) & n_male(x1) & n_man(x1))