Forest is related to Nature. Nature is related to Environment. Environment is related to Class. Class is related to Educational. 
Count is related to Sheep. Sheep is related to Pig. Pig is related to Heavy. Heavy is a synonym of Swear. 
Forest <--RelatedTo--> Nature <--RelatedTo--> Environment <--RelatedTo--> Class <--RelatedTo--> Educational 
Count <--RelatedTo--> Sheep <--RelatedTo--> Pig <--RelatedTo--> Heavy <--Synonym--> Swear 