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The windmill lay between the core battlefield and Richard 's camp on Ambion Hill and the rout of Norfolk 's vanguard was in this direction .
 Richard, Ambion Hill, Norfolk
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Richard, Ambion Hill, Norfolk