20270
This analysis assumes increasing importance , as there is growing exposure to lesser - known NFFC snakes , particularly in captive collections that may uncover further species of significance in the future .
 None
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:  
Answer:
 None