4572
Written by C. V. Sridhar and directed by Chitrapu Narayana Rao , the film proved to be a box office failure , however , her performance was critically acclaimed .
 C. V. Sridhar, Chitrapu Narayana Rao
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 C. V. Sridhar, Chitrapu Narayana Rao