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Inhibition by anti- VCAM-1 monoclonal antibody 1G11 indicated that U937 adhesion was VCAM-1 dependent and suppression by antioxidants was due to reduced VCAM-1 induction .
 protein: VCAM-1; protein: VCAM-1; protein: VCAM-1; protein: 1G11; protein: anti- VCAM-1 monoclonal antibody; cell line: U937
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: VCAM-1, VCAM-1, VCAM-1, 1G11, anti- VCAM-1 monoclonal antibody, U937 
Answer:
 protein: VCAM-1; protein: VCAM-1; protein: VCAM-1; protein: 1G11; protein: anti- VCAM-1 monoclonal antibody; cell line: U937