2535
Refusing to go quietly in the night , Stefan Edberg extended his stay at his 14th and last U.S. Open when Bernd Karbacher , trailing and hurting , quit in the fourth set of their second-round match Friday .
 person: Bernd Karbacher; person: Stefan Edberg; else: U.S. Open
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 person: Bernd Karbacher; person: Stefan Edberg; else: U.S. Open