3141
Anti - carcinogenic action of phenobarbital given simultaneously with diethylnitrosamine in the rat .
 Disease: carcinogenic; Chemical: phenobarbital; Chemical: diethylnitrosamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: carcinogenic; Chemical: phenobarbital; Chemical: diethylnitrosamine