Colorful is related to Card. Card is related to Instrument. Instrument is related to Pan. Pan is a type of Planet. 
Suppose is a synonym of Suspect. Suspect is a synonym of Doubt. 
Colorful <--RelatedTo--> Card <--RelatedTo--> Instrument <--RelatedTo--> Pan --IsA--> Planet 
Suppose <--Synonym--> Suspect <--Synonym--> Doubt 