A man in a flag had one finger up while walking past the camera.
The man was giving someone the finger.
Just because a man in a flag had one finger up doesn't mean he was giving someone the finger.
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_camera(x5) & while(e1,e2) & past(e2,x5) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & Theme(s1,x4) & a_up(s1) & (x3 = x4) & n_finger(x3) & card_eq_1(x3) & in(x1,x2) & n_flag(x2) & n_man(x1))
exists e1 x1 x2 x3.(n_finger(x2) & n_man(x1) & Recipient(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_person(x3))