A woman wearing a backpack walks on the sidewalk while a car drives by.
The woman is walking out doors.
A woman wearing a backpack walks on the sidewalk   so she is   walking out doors
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_sidewalk(x4) & a_by(s1) & Manner(e2,s1) & while(e2,x5) & n_drive(x5) & of(x5,x6) & n_car(x6) & on(e2,x4) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_backpack(x3) & (x1 = x2) & n_woman(x1))
exists e1 s1 x1 x2.(n_woman(x1) & a_out(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_door(x2))