Many people are walking on a busy street at night.
A group is walking around town on a pub crawl.
people walking at night need not be on a pub crawl.
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_night(x3) & on(e1,x2) & n_street(x2) & a_busy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & n_quantity(x1))
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & n_crawl(x3) & of(x3,x4) & n_pub(x4) & a_around(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_town(x2) & n_group(x1))