10555
He made quick work of his first 2 opponents in the tournament with first-round knockouts over Ruslan Karaev and Alistair Overeem .
 person: Ruslan Karaev; person: Alistair Overeem
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:
 person: Ruslan Karaev; person: Alistair Overeem