1433
CONCLUSIONS : These are the first data , to our knowledge , to show that treatment with any chelating agent can alleviate cognitive deficits due to Pb exposure .
 Disease: cognitive deficits; Chemical: Pb
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: cognitive deficits; Chemical: Pb