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'.
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Question: Context: The city is built on the banks of the Jordanne, a tributary of the Cère Link Information: The Cère is a 120 km long river in south-western France Question: How long is the river that Jordanne flows into?

Answer: Answer: 120 km


Question: 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?

Answer: Answer: none


Question: Context: Fijnje returned to the Netherlands (after the Batavian Revolution) Link Information: The Batavian Revolution ended with the proclamation of the Batavian Republic in 1795. Question: How many years did the Batavian Revolution take place?

Answer:
Answer: 12