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In , he was one of three Bob Smiths in the Majors , along with pitcher s Robert Gilchrist Smith of the Pittsburgh Pirates and Robert Walkup " Riverboat " Smith of the Boston Red Sox .
 person: Robert Gilchrist Smith; organization: Pittsburgh Pirates; person: Robert Walkup " Riverboat " Smith; organization: Boston Red Sox
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: Robert Gilchrist Smith; organization: Pittsburgh Pirates; person: Robert Walkup " Riverboat " Smith; organization: Boston Red Sox