74174
Rat snakes " ( or " ratsnakes " ) are members – along with kingsnakes , milk snakes , vine snakes and indigo snakes – of the subfamily Colubrinae of the family Colubridae .
 Colubrinae, Colubridae
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Colubrinae, Colubridae