Locate the Adjective in the following sentence:
She is prettier than her sister who works in films.

Correct option is A

The adjective in the sentence "She is prettier than her sister who works in films." is "prettier."

Adjectives are words that describe or modify nouns or pronouns, often specifying qualities such as size, quantity, age, color, shape etc. In this sentence, "prettier" is describing the subject "She" in comparison to her sister.

Therefore, the correct answer is (a) Prettier