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: cultivation was initially slow due to the unpopular edict by Emperor Domitian that all colonial vines must be uprooted Link Information: Domitian (; ; 24 October 51 18 September 96 AD) was Roman emperor from 81 to 96. He was the younger brother of Titus and the son of Vespasian Question: What was the name of the father of the Emperor whose unpopular edict called for all colonial vines to be uprooted?
A:
Answer: Vespasian