A bartender wearing a black button up shirt is pouring two beverages.
The bartender is serving alcohol.
A bartender serves alcohol so naturally the beverages would be alcohol.
exists e1 e2 s1 x1 x2 x3 x4 x5.(Theme(e2,x5) & Actor(e2,x1) & v_pour(e2) & n_beverage(x5) & card_eq_2(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & up(x3,x4) & n_shirt(x4) & n_button(x3) & a_black(s1) & Theme(s1,x3) & (x1 = x2) & n_bartender(x1))
exists e1 x1 x2.(n_bartender(x1) & Theme(e1,x2) & Actor(e1,x1) & v_serve(e1) & n_alcohol(x2))