you would Yell because Angry. Angry is related to Riot. Riot is related to Civil. Civil is similar to Civilian. 
Detail is a type of Fact. Detail is a type of Gang. 
Yell --MotivatedByGoal--> Angry <--RelatedTo--> Riot <--RelatedTo--> Civil <--SimilarTo--> Civilian 
Fact <--IsA-- Detail --IsA--> Gang 