NYPD officers watch people on a boardwalk near the beach.
There are officers that will arrest people on the beach.
Just because officers are watching people doesn't mean they are on duty and will arrest people.
exists e1 x1 x2 x3 x4 x5.(n_beach(x5) & Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & on(x3,x4) & near(x4,x5) & n_boardwalk(x4) & n_people(x3) & n_officer(x1) & (x1 = x2) & ne_org_nypd(x2))
exists p1 x1 x5.(n_beach(x5) & exists e1 x2 x3 x4.((x1 = x2) & on(e1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_arrest(e1) & n_people(x4) & (x2 = x3) & n_officer(x2)))