Among simple LR (SLR), canonical LR, and look – ahead LR (LALR), which of the following pairs identify the method that is very easy to implement and the method that is the most powerful, in that order?

Among simple LR (SLR), canonical LR, and look – ahead LR (LALR), whi

1.	Among simple LR (SLR), canonical LR, and look – ahead LR (LALR), which of the following pairs identify the method that is very easy to implement and the method that is the most powerful, in that order?
A.	SLR, LALR
B.	Canonical LR, LALR
C.	SLR, canonical LR
D.	LALR, canonical LR
Answer» D. LALR, canonical LR

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Among simple LR (SLR), canonical LR, and look – ahead LR (LALR), which of the following pairs identify the method that is very easy to implement and the method that is the most powerful, in that order?

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