James wrote:How long is a piece of string?

As soon as we know, you will be the first to know. Apologies for the delay.
It's not easy to express such an answer to the question "how long is a piece of string" as a direct word-based answer, but a good approximation would be: "the length of a piece of string is usually about 4ft +/- 3ft".
When people say How long is a piece of string? they mean that they are not able to guess the length of time.