The media's role is primarily entertainment, so it has little effect on our wellness.

The primary role of the media is to entertain us, this is true. However, it cannot be said that it has little effect on our wellness. In fact, I would say this is the opposite from the truth. Watching a good TV show can have positive effects on our mental wellbeing. But at the same time, it can also bring us in a bad mood when watching something sad. 

The correct answer is c

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