2623
Comparison of sequences of ovine and bovine , rat and guinea - pig alpha s1 - casein mRNAs has revealed a greater homology in the 3 ' and especially 5 ' non coding regions .
 GENE: guinea - pig alpha s1 - casein mRNAs
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: guinea - pig alpha s1 - casein mRNAs 
Answer:
 GENE: guinea - pig alpha s1 - casein mRNAs