2121
Here we describe the cloning , tissue - specific expression pattern , and functional characterization of two novel TEF - 1 isoforms , TEF - 1beta and TEF - 1gamma .
 GENE: TEF - 1 isoforms; GENE: TEF - 1beta; GENE: TEF - 1gamma
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: TEF - 1 isoforms; GENE: TEF - 1beta; GENE: TEF - 1gamma