Percentage is related to Tax. Tax is a synonym of Rate. Rating is derived from Rate. Rating is related to Excellent. 
Prompt is related to Question. Question is related to Curiosity. 
Percentage <--RelatedTo--> Tax <--Synonym--> Rate <--DerivedFrom-- Rating <--RelatedTo--> Excellent 
Prompt <--RelatedTo--> Question <--RelatedTo--> Curiosity 