My partner opened with 1Club. I had 18 points(2 singletons, one in Clubs,1 in Diamonds. I had 6Hearts AKQJ 10 9 I bid three Hearts: Partner bid 3 NT. I bid 4 NT asking for Aces. I thought if I bid 4Clubs(using Gerber) my partner might think it a real Club bid. Opp asked if that was a legal bid. I don't know what a legal bid is. Partner had no Profile.