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Together with his older brother Mark Knopfler , John Illsley , and Pick Withers , he founded the rock band Dire Straits in 1977 , serving as rhythm guitarist on their first two albums .
 person: Mark Knopfler; person: John Illsley; person: Pick Withers; organization: Dire Straits
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Mark Knopfler, John Illsley, Pick Withers, Dire Straits 
Answer:
 person: Mark Knopfler; person: John Illsley; person: Pick Withers; organization: Dire Straits