5980
Data on different stars can be of somewhat different reliability , depending on the attention one particular star has received as well as largely differing physical difficulties in analysis ( see the Pistol Star for an example ) .
 Pistol Star
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:
 Pistol Star