A group of people are protesting something
Some people protest together.
People protest together is another way to say a group of people protesting.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_protest(e1) & n_thing(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists x1.(a_topic(x1) & n_protest(x1) & r_together(x1) & n_people(x1))