Attack is related to Fight. Fight is related to People. People can be Stupid. 
Assume is a synonym of Imply. Imply is a type of Have. Have is related to Feel. 
Attack <--RelatedTo--> Fight <--RelatedTo--> People --HasProperty--> Stupid 
Assume <--Synonym--> Imply --IsA--> Have <--RelatedTo--> Feel 