Known is related to Expect. Speculate is a type of Expect. Speculate is a synonym of Think. 
Educational is related to College. College is related to Degree. Degree is related to Tiny. Tiny is related to Cottage. 
Known <--RelatedTo--> Expect <--IsA-- Speculate <--Synonym--> Think 
Educational <--RelatedTo--> College <--RelatedTo--> Degree <--RelatedTo--> Tiny <--RelatedTo--> Cottage 