There are a couple of old men sitting on a concrete bench outside.
the men discuss politics
Just because old men are sitting on a bench outside does not mean they discuss politics. They might not even be talking.
exists p1 x1 e1 s1 s2 x2 x3 x4 x5 x6.((x1 = x2) & on(e1,x5) & n_outside(x5) & of(x5,x6) & n_bench(x6) & a_concrete(s2) & Theme(s2,x5) & Actor(e1,x4) & v_sit(e1) & (x2 = x4) & of(x2,x3) & n_man(x3) & a_old(s1) & Theme(s1,x3) & n_couple(x2))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_discuss(e1) & n_politics(x2))