Police in flack suits stand in a crowd of people mostly dressed in red.
The policemen are standing alone on the street.
The police cannot be alone if they stand in a crowd.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(in(e1,x4) & of(x4,x5) & a_mostly(s1) & Manner(e2,s1) & in(e2,x7) & n_red(x7) & Theme(e2,x6) & v_dress(e2) & (x5 = x6) & n_people(x5) & n_crowd(x4) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_suit(x2) & of(x2,x3) & n_flack(x3) & n_police(x1))
exists e1 s1 x1 x2.(n_street(x2) & n_policeman(x1) & on(e1,x2) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1))