What are two audiences that can be added to audience lists for remarketing in DoubleClick Bid Manager?

–What are two audiences that can be added to audience lists for remarketing in DoubleClick Bid Manager?–

–Viewers who engage with the ad; viewers who organically view or engage with the brand’s channel–

–Viewers who match your advertiser’s demographic; viewers who use the YouTube mobile app–

–Viewers who are existing customers; viewers who have subscribed to the brand’s channel–

–Subscribers to YouTube Red; viewers on Android–