General is related to Estimate. Estimate is related to Figure. Figure is related to Number. Number is related to Odd. 
Mutter is a type of Sound. Sound is related to Vocal. 
General <--RelatedTo--> Estimate <--RelatedTo--> Figure <--RelatedTo--> Number <--RelatedTo--> Odd 
Mutter --IsA--> Sound <--RelatedTo--> Vocal 