Analyze the relationship between 'Coronation Street' and 'ITV' within the context of the input sentence.
Options: headquarters location, original broadcaster, 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