9964
He was rumoured to be a possible new host of " Countdown " to replace both Richard Whiteley and his successor , Des Lynam , but decided not to pursue this .
 person: Richard Whiteley; person: Des Lynam
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: Richard Whiteley; person: Des Lynam