Tool is related to Chart. Chart is related to Business. Partnership is a type of Business. 
Narrow is related to Sea. Sea is related to Wet. Wet is related to Cry. Cry is related to Red. 
Tool <--RelatedTo--> Chart <--RelatedTo--> Business <--IsA-- Partnership 
Narrow <--RelatedTo--> Sea <--RelatedTo--> Wet <--RelatedTo--> Cry <--RelatedTo--> Red 