Identify the capitalized part of speech in the following sentence:

Sterling has volunteered FOR an organization that helps the homeless.

Answer a. noun
b. pronoun
c. verb
d. adjective
e. adverb
f. preposition

In this sentence, FOR is a conjunction.

To identify the capitalized part of speech in the given sentence, we need to break down the sentence and identify the function of each word.

The capitalized word is "FOR". We need to determine which part of speech it is.

In this sentence, "FOR" is functioning as a preposition. Prepositions show the relationship between a noun or pronoun and another word in the sentence. They usually indicate location, direction, time, or manner.

Therefore, the correct answer is:

f. preposition