Aid is related to Payment. Payment is related to Compensation. Compensation is related to Welfare. Welfare is derived from Fare. 
Line is related to Slope. Slope is related to Grass. Grass is related to Seed. Seed is related to Bulb. 
Aid <--RelatedTo--> Payment <--RelatedTo--> Compensation <--RelatedTo--> Welfare --DerivedFrom--> Fare 
Line <--RelatedTo--> Slope <--RelatedTo--> Grass <--RelatedTo--> Seed <--RelatedTo--> Bulb 