A varied crowd mills about (or rough-houses) on a public street, with lots of bicycles on display.
the crowd is angry
Mills about or rough houses does not imply to be angry.
exists s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & with(x1,x5) & of(x5,x6) & on(x6,x7) & n_display(x7) & n_bicycle(x6) & n_lot(x5) & on(x1,x4) & n_street(x4) & a_public(s3) & Theme(s3,x4) & about(x1,x3) & n_rough-house(x3) & a_((s2) & Theme(s2,x3) & n_mill(x1) & of(x1,x2) & n_crowd(x2) & a_varied(s1) & Theme(s1,x1))
exists s1 x1.(n_crowd(x1) & Theme(s1,x1) & a_angry(s1))