An elderly woman serving bread to a man and a woman dressed in blue t-shirts and light brown pants
Nobody is serving bread.
Somebody must be serving bread if an elderly lady is serving bread.
exists e2 e1 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5 x6 x7 x8 x9.(a_topic(s1) & subset_of(x9,s1) & n_pants(x9) & a_brown(s5) & Theme(s5,x9) & a_light(s4) & Theme(s4,x9) & subset_of(x1,s1) & to(e1,x4) & subset_of(x6,x4) & in(e2,x8) & n_t-shirt(x8) & a_blue(s3) & Theme(s3,x8) & Theme(e2,x7) & v_dress(e2) & (x6 = x7) & n_woman(x6) & subset_of(x5,x4) & n_man(x5) & Theme(e1,x3) & Actor(e1,x2) & v_serve(e1) & n_bread(x3) & (x1 = x2) & n_woman(x1) & a_elderly(s2) & Theme(s2,x1))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_serve(e1) & n_bread(x2) & n_person(x1))