A police officer in a black uniform and protective gear is standing in a crowd.
A police officer is working crowd control.
The fact that the police officer is wearing a uniform and protective gear while standing in a crowd implies that he or she is working crowd control.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(in(e1,x6) & n_crowd(x6) & Actor(e1,x1) & v_stand(e1) & in(x1,x3) & n_gear(x5) & a_protective(s2) & Theme(s2,x5) & n_uniform(x4) & subset_of(x5,x3) & subset_of(x4,x3) & a_black(s1) & Theme(s1,x3) & n_officer(x1) & of(x1,x2) & n_police(x2))
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_work(e1) & n_control(x3) & of(x3,x4) & n_crowd(x4) & n_officer(x1) & of(x1,x2) & n_police(x2))