7636
PHA stimulates IL-2R alpha- , beta- , and gamma- chain expression and their signaling pathway molecules Jak1 , Jak3 , Stat1, Stat3 , and Stat5 .
 protein: Jak3; protein: Stat3; protein: signaling pathway molecules; protein: Jak1; protein: PHA; protein: Stat5
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: Jak3, Stat3, signaling pathway molecules, Jak1, PHA, Stat5 
Answer:
 protein: Jak3; protein: Stat3; protein: signaling pathway molecules; protein: Jak1; protein: PHA; protein: Stat5