7735
Shc stimulates Ras / mitogen - activated protein kinase ( MAPK ) through forming a complex with Grb2 at the phosphorylated tyrosine ( Y ) residue 317 .
 GENE: Shc; GENE: Ras; GENE: mitogen - activated protein kinase; GENE: MAPK; GENE: Grb2
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: Shc, Ras, mitogen - activated protein kinase, MAPK, Grb2 
Answer:
 GENE: Shc; GENE: Ras; GENE: mitogen - activated protein kinase; GENE: MAPK; GENE: Grb2