Four police officers dressed in riot gear are maintaining a crowd that includes a man dressed as a clown.
Four male police officers on police horses maintaining a riot.
Just because the police officers are dressed in riot gear does not mean they are maintaining a riot.
exists e1 e3 e2 e4 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(Theme(e4,x6) & Actor(e4,x1) & v_maintain(e4) & Theme(e3,x8) & Actor(e3,x7) & v_include(e3) & as(e2,x10) & n_clown(x10) & Theme(e2,x9) & v_dress(e2) & (x8 = x9) & n_man(x8) & (x6 = x7) & n_crowd(x6) & in(e1,x4) & n_gear(x4) & of(x4,x5) & n_riot(x5) & Theme(e1,x3) & v_dress(e1) & (x1 = x3) & n_officer(x1) & of(x1,x2) & n_police(x2) & card_eq_4(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(x1,x3) & Theme(e1,x6) & Actor(e1,x5) & v_maintain(e1) & n_riot(x6) & (x3 = x5) & n_horse(x3) & of(x3,x4) & n_police(x4) & n_officer(x1) & of(x1,x2) & n_police(x2) & a_male(s1) & Theme(s1,x1) & card_eq_4(x1))