74905
On 5 January 2015 he returned to the city of Porto , signing for Boavista for the remainder of the season as injury cover for their defence .
 location: Porto; organization: Boavista
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: Porto, Boavista 
Answer:
 location: Porto; organization: Boavista