4268
In the fall of 1907 , he wrote a letter to the Harvard Crimson advocating the formation of an alumni football team that would play against Harvard 's varsity team each fall .
 organization: Harvard; organization: Harvard
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:
 organization: Harvard; organization: Harvard