69307
The idea was extensively revised and fleshed out during this time - " The Cage " pilot filmed in late 1964 differs in many respects from the March 1964 treatment .
 The Cage
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 The Cage