Here's an interesting angle on the lying or not lying.
When I was in Thailand, I learned about "saving face". When they don't know an answer to something, or get caught out. Rather than just admit it, they will lie or exaggererate to appear they knew the answer.
In no way is this considered lying and is an accepted part of the culture.
Now after that, I looked into it and found it is a quite common Eastern practice. What we would call a bare faced lie, is actually the norm over there.
https://thelinguafranca.wordpress.co...-that-depends/
So to answer your question, you can't.
The first case may have been years ago, but no one would ever admit it.