6176
The differences detected between the samples could be related to their non - authenticity , due to the non recognise the plant due to the leaves similarity among plants from the same family and / or contamination , due to addition of similar other plants parts to the commercial ones , as they are mixed together this difficulties the acceptation of the plant .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None