Conservation is related to Saving. Saving is a different concept from Waste. Waste is related to Paper. you are likely to find Paper in/at/on Trash. 
Summer is related to Elephant. Elephant have Nose. Nose is related to Body. 
Conservation <--RelatedTo--> Saving <--DistinctFrom--> Waste <--RelatedTo--> Paper --AtLocation--> Trash 
Summer <--RelatedTo--> Elephant --HasA--> Nose <--RelatedTo--> Body 