Stubborn Rachael

I put Rachael in her cot to play this evening. She cried and wanted to be out after some time. I told her to call "mama" before I will carry her out. She refused and cried... 

After insisting for about 5min, I gave up and carried her. And she kept saying "papa"!!! I think she did that purposely because she knows how to call "mama" and she calls me that when she wants milk. Sigh! I hope she won't irritate me this way again.