The correct answer is pronouns. Key Points​ ​Let's look at the definitions given below: pronoun- a word that substitutes for a noun or noun phrase. adverb of manner- describes how an action happens. adjective- a word that modifies a noun or noun phrase or describes its referent. common noun- the generic name for a person, place, or thing in a class or group. The given words i.e. 'I' and 'her' are examples of personal pronouns (I, me, we, us, she, her, it, they, them, he, his, etc.). Hence the 1st option will be the correct choice. Additional Information Let's look at the personal pronoun table given below: Subjective or nominative case Objective case Possessive case Reflexive case I Me My, Mine Myself We Us Our, Ours Ourselves You You Your, Yours Yourself He Him His, His Himself She Her Her, Hers Herself They Them Their, Theirs Themselves