Rate is related to Hour. Hour is related to Sorry. Sorry is a synonym of Sad. Sad is a synonym of Unhappy. 
Partner can be Gay. Partner is related to Friend. Friend can be used for Understanding. 
Rate <--RelatedTo--> Hour <--RelatedTo--> Sorry <--Synonym--> Sad <--Synonym--> Unhappy 
Gay <--HasProperty-- Partner <--RelatedTo--> Friend --UsedFor--> Understanding 