Many people are standing in a crowd.
People are having a sit-in protest.
standing  doesn't mean the same as sit-in
exists e1 x1 x2.(in(e1,x2) & n_crowd(x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & n_quantity(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_protest(x2) & a_sit-in(s1) & Theme(s1,x2) & n_people(x1))