4879
Highest mean concentrations were found in wheat and cereal - based products ( bread , breakfast cereals , pasta , pastries , pizzas and savoury pastries ... ) .
 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