1491
The tumour suppressor p53 and interferon - alpha and - beta ( IFN - alpha / beta ) are essential for the induction of apoptosis in cancerous cells and in antiviral immune responses , respectively , but little is known about their interrelationship .
 Anatomy: tumour; Anatomy: cancerous cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: tumour; Anatomy: cancerous cells