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'.

[EX Q]: Context: The book also discusses about similarities and differences between Indus Valley civilization and early Vedic civilization Link Information: none Question: What is one key difference between the Indus Valley civilization and early Vedic civilizations?
[EX A]: Answer: none

[EX Q]: 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?
[EX A]: Answer: Avro 

[EX Q]: Context: The city hosts various riverboat gambling casinos, and, before Hurricane Katrina in 2005, was second only to New Orleans in Louisiana tourism. Link Information: none Question: How many riverboat casinos did New Orleans have?
[EX A]:
Answer: none

