Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer. If there is no error, the answer is 'E'. (Ignore the errors of punctuation, if any).

1. Rajesh won the case as
2. he argued very forcefully and
3. in such the intelligent way
4. that the judge changed his opinion.
5. No error.