Number is a type of Size. Size is related to Roll. Roll is related to Drop. Drop is related to Let. 
Science is related to Finding. Finding is related to Reward. Reward is a synonym of Payment. Penalty is a type of Payment. 
Number --IsA--> Size <--RelatedTo--> Roll <--RelatedTo--> Drop <--RelatedTo--> Let 
Science <--RelatedTo--> Finding <--RelatedTo--> Reward <--Synonym--> Payment <--IsA-- Penalty 