This man seems to be trying to make some kind of political statement in a busy city.
Some guy is in the city talking about politics.
Just because the the man is making a political statement, does not mean he is doing so via talking.
exists e1 p1 x1.(n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_seem(e1) & exists e2 p2.(Topic(e2,p2) & Actor(e2,x1) & v_try(e2) & exists e3 s1 s2 x2 x3 x4.(Theme(e3,x2) & Actor(e3,x1) & v_make(e3) & of(x2,x3) & in(x3,x4) & n_city(x4) & a_busy(s2) & Theme(s2,x4) & n_statement(x3) & a_political(s1) & Theme(s1,x3) & n_kind(x2))))
exists p1 x1 x2.(n_city(x2) & exists e1 x3 x4.(in(x1,x2) & about(e1,x4) & n_politics(x4) & Actor(e1,x3) & v_talk(e1) & (x2 = x3)) & n_guy(x1))