What is the relationship between 'Coronation Street' and 'ITV' in the context of the input sentence.
Options: original broadcaster, headquarters location, stock exchange, position held

ITV main channel share of viewing and ITV family share of viewing both declined as viewing was impacted by the volume of news output from the BBC, fewer episodes of Coronation Street and Emmerdale and lower volumes of new content following the pause in production.
original broadcaster