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Liu Hsiang , a PhD candidate who also teaches at an English supplementary school , says that it is certainly necessary to spend time and money if you want to give your exterior appearance a little character .
 Liu Hsiang, PhD, English
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 Liu Hsiang, PhD, English