Characteristics of Intonation
I did not tell her that. (… Someone else told her)
I did not tell her that. (… You said I did. or… but now I will)
I did not tell her that. (… I did not say it; she could have inferred it)
I did not tell her that. (… I told someone else)
I did not tell her that. (… I told her something else)
This is what I love about the English language.