Assistance is related to Welfare. Welfare is related to Payment. Payment is related to Price. Price is related to Representation. 
Argument is related to Proof. Proof is a type of Impression. 
Assistance <--RelatedTo--> Welfare <--RelatedTo--> Payment <--RelatedTo--> Price <--RelatedTo--> Representation 
Argument <--RelatedTo--> Proof --IsA--> Impression 