Which of the following correctly defines right-most derivation?

A) Sentential form of an input is scanned and replaced from left to right

B) Sentential form of an input is scanned and replaced from right to the left

C) Both (A) and (B)

D) None of the above

Correct Answer : Sentential form of an input is scanned and replaced from right to the left

Explanation : Sentential form or more specifically right sentential form of an input is scanned and replaced from right to the left in right-most derivation.