These people are demonstrating for their leader.
The people are demonstrating for a large crowd.
Demonstrating for their leader or a large crowd but can't be both.
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 e1 s1 x1 x2.(n_people(x1) & for(e1,x2) & n_crowd(x2) & a_large(s1) & Theme(s1,x2) & Actor(e1,x1) & v_demonstrate(e1))