A lot of guys standing around talking without their shirts on.
The men are talking about politics.
Just because a lot of guys are talking does not mean that they are talking about politics.  They could be talking about anything.
exists e1 e2 s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & around(e1,e2) & a_on(s1) & Manner(e2,s1) & without(e2,x4) & n_shirt(x4) & of(x4,x1) & n_thing(x1) & Actor(e2,x3) & v_talk(e2) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_guy(x2) & n_lot(x1))
exists e1 x1 x2.(n_man(x1) & about(e1,x2) & n_politics(x2) & Actor(e1,x1) & v_talk(e1))