Interesting it marked me incorrect for "I am a member of the Dail", correcting me to " I am a member of parliament".
That's wrong then. Oireachtas is the word for parliament. Senators are members of parliament as well as TDs. Your answer was more correct.
I don't think Duolingo has every allowed URLS with accented characters - you have to "urlencode" the URL:
Trying to second guess what they wanted, I changed from'deputy' to Dail deputy': not accepted!