1452
ER beta was less potent than ER alpha in activating E2 - stimulated ERELuc activity ( 4 - vs .
 GENE: ER beta; GENE: ER alpha; GENE: ERELuc
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: ER beta; GENE: ER alpha; GENE: ERELuc