A man in a blue t-shirt stands on the side of a city street.
a guy is trying to flag a cab
Just because a man stands on the side of a street it does not mean he is trying to flag a cab.
exists s1 s2 x1 x2 x3 x4 x5.(n_side(x3) & a_topic(x1) & in(x1,x2) & on(x2,x3) & of(x3,x4) & n_street(x4) & of(x4,x5) & n_city(x5) & n_stand(x2) & a_t-shirt(s2) & Theme(s2,x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(to(e1,x3) & n_flag(x3) & Theme(e1,x2) & Actor(e1,x1) & v_try(e1) & n_cab(x2) & n_guy(x1))