1609
We also present evidence for a negative regulatory element in the 5 ' flanking region of the Mlu I upstream activation sequence .
 GENE: Mlu I upstream activation sequence
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: Mlu I upstream activation sequence 
Answer:
 GENE: Mlu I upstream activation sequence