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: Newman pitted on Lap 143, giving Tony Stewart the lead. Link Information: none Question: What is the name of the spouse of the driver who took the lead on Lap 143?
Answer: none

Context: He joined 100 Squadron as a Lancaster pilot Link Information: The Avro Lancaster is a British four-engined Second World War heavy bomber. Question: Who was the manufacturer of the planes Thomas flew when he joined 100 Squadron?
Answer: Avro 

Context: EBV appears to cause all nonkeratinizing nasopharyngeal carcinomas and some cases of lymphoma, including Burkitt's lymphoma—the association is especially strong in Africa—and Hodgkin's disease. Link Information: none Question: How fatal is Burkitt's lymphoma?

Answer: none