a woman bends down to reach in a plastic bag.
There is a bag.
A plastic bag is a type of bag.
exists e1 p1 s1 x1.(a_down(s1) & Manner(e1,s1) & Topic(e1,p1) & Actor(e1,x1) & v_bend(e1) & exists e2 s2 x2.(in(e2,x2) & n_bag(x2) & a_plastic(s2) & Theme(s2,x2) & Actor(e2,x1) & v_reach(e2)) & n_woman(x1))
exists p1 x1 x2.((x1 = x2) & n_bag(x2))