The store is very busy and clustered with customers and their shopping carts waiting in line and shopping.
A crowd of people has come to a store because of a big sale.
The store is very busy but the people aren't necessarily there because of a big sale. There are other reasons the store could be busy.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_thing(x1) & n_store(x1) & with(s2,x2) & subset_of(x4,x2) & in(e1,x7) & n_shopping(x5) & n_shopping(x5) & n_line(x8) & subset_of(x5,x7) & subset_of(x8,x7) & Actor(e1,x6) & v_wait(e1) & (x4 = x6) & n_cart(x4) & of(x4,x5) & of(x4,x1) & subset_of(x3,x2) & n_customer(x3) & Theme(s2,x1) & a_clustered(s2) & r_very(s1) & Theme(s1,x1) & a_busy(s1))
exists e1 s1 x1 x2 x3 x4.(of(e1,x4) & n_sale(x4) & a_big(s1) & Theme(s1,x4) & r_because(e1) & to(e1,x3) & n_store(x3) & Actor(e1,x1) & v_come(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1))