The following sentences comprise of four alternatives. Select the best option that is grammatically correct sentence-

Anil is not working hard so his success in out of a question Anil is not working hard so his success is out of the question Anil is not working hard so his success is out of question Anil is not working hard so his success is not out of the question

Anil is not working hard so his success is out of the question

The correct answer is Option (2) - Anil is not working hard so his success is out of the question