2911
BCV mRNAs 5 and 5 - 1 appear to be used for the synthesis of the 12 . 7 - and 9 . 5 - kDa proteins , respectively , which demonstrates a pattern of expression strikingly different from that utilized by MHV .
 GENE: BCV mRNAs 5 and 5 - 1
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: BCV mRNAs 5 and 5 - 1