11201
The growth factor receptor - bound protein 2 ( Grb2 ) adaptor when complexed with Sos ( Son of sevenless ) , the exchange factor of Ras , conveys the signal induced by tyrosine kinase - activated receptor to Ras by recruiting Sos to the membrane , allowing activation of Ras .
 GENE: growth factor receptor - bound protein 2; GENE: Grb2; GENE: Sos; GENE: Son of sevenless; GENE: Ras; GENE: tyrosine kinase - activated receptor; GENE: Ras; GENE: Sos; GENE: Ras
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: growth factor receptor - bound protein 2, Grb2, Sos, Son of sevenless, Ras, tyrosine kinase - activated receptor, Ras, Sos, Ras 
Answer:
 GENE: growth factor receptor - bound protein 2; GENE: Grb2; GENE: Sos; GENE: Son of sevenless; GENE: Ras; GENE: tyrosine kinase - activated receptor; GENE: Ras; GENE: Sos; GENE: Ras