These people are demonstrating for their leader.
These people don't care much for politics.
If you are demonstrating for your leader then you care for politics.
exists e1 x1 x2.(n_leader(x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & for(e1,x2) & Actor(e1,x1) & v_demonstrate(e1))
exists x1.(n_people(x1) & -exists e1 s1 x2.(a_much(s1) & Manner(e1,s1) & for(e1,x2) & n_politics(x2) & Actor(e1,x1) & v_care(e1)))