A woman wearing headphones walks down the street.
A woman is wearing headphones while she walks down a street.
The woman was wearing headphones and walking down the street. The second sentance is just restructured using the same information.
exists e2 e1 x1 x2 x3 x4.(n_street(x4) & down(e2,x4) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_headphone(x3) & (x1 = x2) & n_woman(x1))
exists e1 p1 x1 x2.(exists e2 s1 x3.(a_down(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_walk(e2) & n_street(x3)) & n_female(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_headphone(x2) & n_woman(x1))