10686
PFHxS is found in umbilical cord blood , human milk and child serum from all over the world .
 Chemical: PFHxS
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: PFHxS 
Answer:
 Chemical: PFHxS