35899
History Río Piedras ' origins go back to 1714 when a settlement along the shores of the Piedras river was recognized by Governor Juan de Rivera .
 location: Río; location: Juan
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: Río, Juan 
Answer:
 location: Río; location: Juan