Q: 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'.
Context: she declined an invitation from Bishop Burnet to write a welcoming poem to the new king Link Information: Gilbert Burnet (18 September 1643 17 March 1715) Question: What was the age difference between the person who invited her to write a poem for the new king and the king himself?
A:
Answer: 7