Here two words indicated by I and II have been left out for which four alternative choices are given for each. The correct combination is given as (A),(B),(C) and (D). Find the correct combination in each case.
I: Wheat
:: Brick
:III. (A) Weed
(B) Field
(C) Bread
(D) Farmer
II. (P) Building
(Q) Mason
(R) Clay
(S) Kiln