8499
Cross-linking CD19 on early human B lineage cells induces the formation of a CD19 /Vav/phosphatidylinositol-3 kinase complex , tyrosine phosphorylation of CD19 and Vav , and activation of the Ras pathway .
 protein: Ras; cell type: human B lineage cells; protein: CD19; protein: CD19 /Vav/phosphatidylinositol-3 kinase complex; protein: CD19; protein: Vav; protein: CD19
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: Ras, human B lineage cells, CD19, CD19 /Vav/phosphatidylinositol-3 kinase complex, CD19, Vav, CD19 
Answer:
 protein: Ras; cell type: human B lineage cells; protein: CD19; protein: CD19 /Vav/phosphatidylinositol-3 kinase complex; protein: CD19; protein: Vav; protein: CD19