Table 2. Example outrage and non-outrage tweets as classified by the DOC.

The table shows example tweets from five political topics appearing in our training set that were classified as containing outrage versus not containing outrage by DOC. To protect Twitter user privacy from reverse text searches, for figure display purposes only, some words from each original tweet have been edited while maintaining salient features of the message.

Topic	Text	Classification
Kavanaugh	@SenGillibrand you are a DISGRACE. Shut your lying mouth. There is no evidence of assault	Outrage
Kavanaugh	@JeffFlake thank you for stepping up. Don’t let them do a poor job in the investigation	Non-outrage
Covington	I cannot with the “Stand with Covington” gofundme? WTF? People are giving these brats money? Unbelievable!	Outrage
Covington	There are good people on both sides of the #Covington debate. Let’s all slow down	Non-outrage
United	I’m in total disgust and madness because of what #united did. Totally Unacceptable.	Outrage
United	Here’s the latest ad from @united. #united #advertising https://...	Non-outrage
Smollett	Hey @JussieSmolett you are a worthless piece of shit. A greedy, corrupt liar.	Outrage
Smollett	We need some more @JussieSmolett memes. Where are they?	Non-outrage
Transgender ban	This is a disgusting display of hatred and oppression. #FUCKYOUTRUMP and your criminal cabinet!	Outrage
Transgender ban	Hillary Clinton said some thoughtful words about the ban: https://...	Non-outrage