Workers in green shirts are waiting on several customers.
There are many customers.
Several customers implies there are many customers.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_customer(x3) & a_several(s2) & Theme(s2,x3) & Actor(e1,x1) & v_wait(e1) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_worker(x1))
exists p1 x1 x2.((x1 = x2) & n_customer(x2) & n_quantity(x2))