A man in blue clothing sorts through the contents of a plastic bag.
Someone dressed in blue is going through a bag.
going through is the same as sorts through
exists s1 x1 x2 x3 x4 x5 x6.(n_contents(x4) & a_topic(x1) & in(x1,x2) & of(x2,x5) & n_bag(x5) & of(x5,x6) & n_plastic(x6) & through(x2,x4) & n_sort(x2) & of(x2,x3) & n_clothing(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e2 e1 x1 x2 x3 x4.(through(e2,x4) & n_bag(x4) & Actor(e2,x1) & v_go(e2) & in(e1,x3) & n_blue(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_person(x1))