Detailed Instructions: In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Context: due to the very ancient date at which these languages split, because the split must have taken place before the Bronze Age. Link Information: none Question: For how many years did the age last before which the languages split?
A:
Answer: none