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Cytotoxic activity of all compounds has been evaluated by MTT test against a panel of several human tumor cell lines including examples of breast ( MCF - 7 ) , colon ( HCT - 15 and LoVo ) , lung ( A549 ) , cervix ( A431 ) and ovarian ( 2008 and its cisplatin resistant variant , C13 * ) carcinoma , melanoma ( A375 ) and promyelocytic leukemia ( HL60 ) .
 Chemical: MTT; Chemical: cisplatin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: MTT; Chemical: cisplatin