A crowd of people are standing on the side of the street while a man in a blue hat is talking to a taxi driver.
People are waiting for a taxi.
Just because a group of people are standing on the side of the street that does not mean they are waiting for a taxi.
exists e1 p1 x1 x2 x3 x4.(n_street(x4) & n_side(x3) & exists e2 s1 x5 x6 x7 x8.(to(e2,x7) & n_driver(x7) & of(x7,x8) & n_taxi(x8) & Actor(e2,x5) & v_talk(e2) & in(x5,x6) & n_hat(x6) & a_blue(s1) & Theme(s1,x6) & n_man(x5)) & while(e1,p1) & on(e1,x3) & of(x3,x4) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2.(for(e1,x2) & n_taxi(x2) & Actor(e1,x1) & v_wait(e1) & n_people(x1))