Explanation:

- In the sentence provided, "permit" is an action word. It shows what cash machines allow people to do.

- Option 1: Verb

- Correct. Verbs are action words, indicating what the subject does.

Correct Answer

- Option 2: Noun

- Incorrect here. Nouns are names of things, people, or places.

- Option 3: Pronoun

- Incorrect here. Pronouns replace nouns, like "he" or "they."

- Option 4: Adverb

- Incorrect here. Adverbs describe verbs, adjectives, or other adverbs, often ending in "-ly."