Column I(Reaction)		Column II (Product)
(A)	Beckman rearrangement	(P)	$\alpha$, $\beta$-unsaturated carbonyl
(B)	Perkin’s condensation	(Q)	N-Alkylamide
(C)	Aldol condensation	(R)	$\alpha ,\beta \text{-unsaturated acid }$
(D)	Claisen condensation	(S)	$\beta \text{-ketoester }$

• A

  A-Q, B-R, C-P, D-S

• B

  A-R, B-Q, C-P, D-S

• C

  A-Q, B-R, C-S, D-P

• D

  A-S, B-R, C-P, D-Q