People are patronizing a street vendor.
The people are patronizing someone.
A street vendor is a someone.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_patronize(e1) & n_vendor(x2) & of(x2,x3) & n_street(x3) & n_people(x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_patronize(e1) & n_person(x2))