A sign that displays "Mongolian BBQ" shines above two employees in white shirts and caps and green aprons.
There are two people who are serving customers
The employees could be doing anything, they don't just have to be serving customers.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11.(ne_org_bbq(x10) & (x10 = x11) & ne_org_mongolian(x11) & a_topic(x1) & Recipient(e1,x10) & Theme(e1,x3) & Actor(e1,x2) & v_display(e1) & above(x3,x4) & subset_of(x7,x4) & subset_of(x9,x7) & n_apron(x9) & a_green(s2) & Theme(s2,x9) & subset_of(x8,x7) & n_cap(x8) & subset_of(x5,x4) & in(x5,x6) & n_shirt(x6) & a_white(s1) & Theme(s1,x6) & n_employee(x5) & card_eq_2(x5) & n_shine(x3) & (x1 = x2) & n_sign(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_serve(e1) & n_customer(x4) & (x2 = x3) & n_people(x2) & card_eq_2(x2))