2012
Mutations of the RET gene , encoding a receptor tyrosine kinase , have been associated with the inherited cancer syndromes MEN 2A and MEN 2B .
 GENE: RET gene; GENE: receptor tyrosine kinase
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: RET gene; GENE: receptor tyrosine kinase