Decent is the opposite of Sad. Sad is related to Blue. Blue is related to Baby. 
Tender is a type of Car. Car is related to Lot. Lot is related to Bunch. 
Decent <--Antonym--> Sad <--RelatedTo--> Blue <--RelatedTo--> Baby 
Tender --IsA--> Car <--RelatedTo--> Lot <--RelatedTo--> Bunch 