hello sir/madam good morning.... my question is..... my daughter is 1yr 5mnth old....she doing good but she not trying to learn things when we trying to make her to speak.she is not at all concentrating on what we are saying....and also not responding when we call her unless regards her favourite things.... but she is telling little words by her own... for example if we call her she I not responding but if we tell her take this biscuit/water immediately she is responding.... is this normal?