Known is related to Declare. Declare is related to Starting. Starting is similar to Opening. 
Extreme is a synonym of Thick. Thick is related to Blood. Blood is related to Organic. Hay can be Organic. 
Known <--RelatedTo--> Declare <--RelatedTo--> Starting <--SimilarTo--> Opening 
Extreme <--Synonym--> Thick <--RelatedTo--> Blood <--RelatedTo--> Organic <--HasProperty-- Hay 