Read each of the following sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentenece. The letter of that part is the answer. If there is no error, the answer is ( e ). (Ignore errors of punctuation, if any).
He wants to (a)/ set up a loboratory (b)/ to undertake research (c)/ into a vaccine for cancer. (d)/ No error (e).

Answer

e

Explanation

No error.