3214
However , H19 and IGF2 lie within a larger imprinted domain , and the gene specificity of H19 epimutation has been a persistent question .
 GENE: H19; GENE: IGF2; GENE: H19
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: H19; GENE: IGF2; GENE: H19