Pair is a type of Set. Set is a synonym of Fix. Fix is the opposite of Broken. Glass can be Broken. 
Travel is related to Vacation. Vacation is related to Term. Term is related to Divide. Divide is a synonym of Part. 
Pair --IsA--> Set <--Synonym--> Fix <--Antonym--> Broken <--ReceivesAction-- Glass 
Travel <--RelatedTo--> Vacation <--RelatedTo--> Term <--RelatedTo--> Divide <--Synonym--> Part 