Joke of the Year

A man came home from work and his children ran to him and called out ‘Ayah! Ayah!’
His neighbour got very upset and said to him, “Can you please tell your children not to call you ‘Ayah’?”
The man asked, “Why?”
The neighbour retorted, “Because my children call me ’Ayah’ too. They might get confused and mistake you to be their father.”
Then the man told his neighbour, are you not ashamed to say that your children do not know who their ‘Ayah’ is.
So you are saying by using the word ‘Ayah’, your children will call me ayah too without knowing who is their father?
The neighbour said yes, only my children should use the word 'Ayah'.
The man said, “Then there is something wrong in what you are teaching your children. They are not sure and do not know who their 'Ayah' is!”