Join is a synonym of Associate. Associate is a synonym of Link. Link is related to Fence. Fence is a synonym of Argue. 
Oak is a type of Tree. Tree is related to Day. Day is a type of Time. Time is related to Generation. 
Join <--Synonym--> Associate <--Synonym--> Link <--RelatedTo--> Fence <--Synonym--> Argue 
Oak --IsA--> Tree <--RelatedTo--> Day --IsA--> Time <--RelatedTo--> Generation 