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The Rail Safety and Standards Board 's inquiry into the incident identified a software glitch in the wheel-slip protection ( WSP ) system whereby the train 's friction brakes were inhibited at low speeds after prolonged coasting ( such as that occurring on approach to a station ) .
 Rail Safety and Standards Board
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:
 Rail Safety and Standards Board