1608
Boko Haram 's ruthless , twisted leader : He 's the sadistic architect of a campaign of mayhem and misery in Nigeria . But very little is . . .
 organization: Boko Haram; location: Nigeria
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Boko Haram; location: Nigeria