A woman wearing a pink boa rides a bicycle down a pedestrian bridge.
The woman has groceries in her backpack.
A woman who rides a bicycle not necessarily has groceries in her backpack.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x1) & v_ride(e2) & down(x4,x5) & n_bridge(x5) & a_pedestrian(s2) & Theme(s2,x5) & n_bicycle(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_boa(x3) & a_pink(s1) & Theme(s1,x3) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2 x3.(n_backpack(x3) & of(x3,x1) & n_female(x1) & n_woman(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_grocery(x2))