Several people on a busy street or perhaps at a fair.
There is a crowd.
If there are several people there is a crowd.
(exists s1 s2 x1 x2.(a_topic(x1) & on(x1,x2) & n_street(x2) & a_busy(s2) & Theme(s2,x2) & n_people(x1) & a_several(s1) & Theme(s1,x1)) | exists s3 x3 x4.(a_topic(x3) & n_perhaps(x3) & at(x3,x4) & n_fair(x4) & n_people(x3) & a_several(s3) & Theme(s3,x3)))
exists p1 x1 x2.((x1 = x2) & n_crowd(x2))