17967
Women with Val / Val genotype reported greater difficulty concentrating and irritability than men with Val / Val or Met carrier genotypes .
 Chemical: Val; Chemical: Val; Chemical: Val; Chemical: Val; Chemical: Met
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Val; Chemical: Val; Chemical: Val; Chemical: Val; Chemical: Met