1655
Differential regulation of the pre - C and pregenomic promoters of human hepatitis B virus by members of the nuclear receptor superfamily .
 GENE: pre - C; GENE: nuclear receptor superfamily
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: pre - C; GENE: nuclear receptor superfamily