20174
Over the past 100 years , the world has discovered altogether 8 archaeopteryx findings from the same period , and only confined to this area .
 date: the past 100 years; cardinal: 8; date: the same period
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: the past 100 years, 8, the same period 
Answer:
 date: the past 100 years; cardinal: 8; date: the same period