Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
You can fool some of the people all the time, and all the people some of the time; but you cannot fool all the people all the time.

Correct option is A

Option (a) is correct — No error.
This sentence is a famous quote attributed to Abraham Lincoln and is grammatically correct. It uses proper subject-verb agreement, parallel structure, and correct punctuation.

Grammatical rule used:

• Use of parallel structure in coordinating clauses connected by “and” and “but.”
• Verb consistency in the present tense enhances clarity and rhythm.

Example:
You can mislead a few people once or twice, but you can’t deceive everyone all the time.