2836
Four cDNAs ( Kox4 , Kox7 , Kox12 , and Kox15 ) were identified that match one or more genomic clones ; these matches were confirmed by nucleotide sequence analysis .
 GENE: Kox4; GENE: Kox7; GENE: Kox12; GENE: Kox15
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: Kox4; GENE: Kox7; GENE: Kox12; GENE: Kox15