A old man having a beer alone.
The bartender himself has a drink at the end of his shift.
The bartender is not mentioned so the old man might not be in a bar, also the end of his shift is not alluded to.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & r_alone(x3) & n_beer(x3) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(n_shift(x4) & of(x4,x1) & n_male(x1) & n_end(x3) & n_bartender(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & at(x2,x3) & of(x3,x4) & n_drink(x2) & n_male(x1))