A man in a white shirt looks on while at a street vendor.
A man is at a street vendor.
A man is at a street vendor while wearing a white shirt.
exists e1 s1 x1 x2 x3 x4 x5.(at(e1,x4) & n_vendor(x4) & of(x4,x5) & n_street(x5) & on(e1,x3) & n_while(x3) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(exists x2 x3.(at(x1,x2) & n_vendor(x2) & of(x2,x3) & n_street(x3)) & n_man(x1))