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Trom agus Éadrom ( , meaning " Heavy and Light " ) was an Irish television variety show which was broadcast bilingually in Irish and English by Radio Telefís Éireann between 1975 and 1985 .
 Irish, Radio Telefís Éireann
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Irish, Radio Telefís Éireann