People walk along a busy street on a gloomy day.
People walking along a street with many cars on a cloudy day.
Busy would imply that there are many cars around. Cloudy could be described as gloomy.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_day(x3) & a_gloomy(s2) & Theme(s2,x3) & along(e1,x2) & n_street(x2) & a_busy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_day(x5) & a_cloudy(s1) & Theme(s1,x5) & with(e1,x4) & n_car(x4) & n_quantity(x4) & along(e1,x3) & n_street(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1))