Various customers, checking out in a buffet line.
A group of people waiting to get food.
Customers are people and a buffet line implies that they are waiting for food.
exists e1 s1 s2 x1 x2 x3.(a_out(s2) & Manner(e1,s2) & in(e1,x2) & n_line(x2) & of(x2,x3) & n_buffet(x3) & Actor(e1,x1) & v_check(e1) & n_customer(x1) & a_various(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & Topic(e1,p1) & Actor(e1,x3) & v_wait(e1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x3) & v_get(e2) & n_food(x4)) & (x2 = x3) & n_people(x2) & n_group(x1))