3268
We have determined the molecular organization and transcription start points ( tsp ) for the murine gene ( TK ) encoding thymidine kinase .
 GENE: TK; GENE: thymidine 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: TK; GENE: thymidine kinase