3684
Its president , William Shang , explains that conventional fibers have a round cross-section , but by changing the fibers ' physical properties it is possible to produce them with various cross-sectional profiles such as X or Y shapes , which create capillaries along the fibers .
 person: William Shang
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: William Shang 
Answer:
 person: William Shang