Please answer BOTH parts of the question! Thank you.

A) Use the Regular language pumping lemma to prove that the following language is NOT regular. L = {w w E(a+b+c)* and w is odd and the middle symbol of w is a b.} B) Use the Regular language pumping lemma to prove that the following language is NOT regular. L = {ON1MOP} | N == M OR N ==P}