76088
In 1969 Harris showed that when malignant cancer cells were fused with normal fibroblast s , the resulting hybrids were not malignant , thus demonstrating the existence of genes that had the ability to suppress malignancy .
 person: Harris
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Harris 
Answer:
 person: Harris