10618
His grandmother took him to Sichuan to escape the war , and they returned a couple of years later to find the family home in ruins .
 geographical social political: Sichuan; date: a couple of years later
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
 Entities: Sichuan, a couple of years later 
Answer:
 geographical social political: Sichuan; date: a couple of years later