Learning the Indonesian words for 'yes' and 'no' is easy, right? Well, yes and no...

It turns out that languages vary widely in their words for 'yes' and 'no'firstly in whether they even have those words or not, but also, if they do have them, how they are used.

Many languages, like Japanese, Irish and other Gaelic languages do not have words equivalent to 'yes' or 'no'. You answer in the affirmative or negative by saying something like 'that's right', or 'that's n