5090
As it had been previously reported that the 18 - bp palindrome contains sufficient nucleotide sequence information for E1 binding , we speculate that a minimal E1 recognition motif is presented in each half site .
 GENE: E1; GENE: E1
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: E1, E1 
Answer:
 GENE: E1; GENE: E1