Rally is the opposite of Decline. Decline is related to Offer. Offer is related to Place. Place is the opposite of Show. 
Chance is related to Random. Random is a synonym of Momentum. 
Rally <--Antonym--> Decline <--RelatedTo--> Offer <--RelatedTo--> Place <--Antonym--> Show 
Chance <--RelatedTo--> Random <--Synonym--> Momentum 