Glad is related to Garbage. Garbage is the opposite of Treasure. Treasure is a synonym of Prize. Prize is a synonym of Select. 
Curious is related to Interested. you would Study because Interested. Study is related to College. 
Glad <--RelatedTo--> Garbage <--Antonym--> Treasure <--Synonym--> Prize <--Synonym--> Select 
Curious <--RelatedTo--> Interested <--MotivatedByGoal-- Study <--RelatedTo--> College 