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Mutant p53 DNA clones from human colon carcinomas cooperate with ras in transforming primary rat cells : a comparison of the " hot spot " mutant phenotypes .
 GENE: p53 DNA; GENE: ras
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: p53 DNA; GENE: ras