Small is related to Spark. Spark is related to Tiny. Tiny is the opposite of Giant. Giant is related to Monster. 
Improved is similar to Better. Help is a type of Better. Facilitate is a type of Help. Minister can be used for Facilitate. 
Small <--RelatedTo--> Spark <--RelatedTo--> Tiny <--Antonym--> Giant <--RelatedTo--> Monster 
Improved <--SimilarTo--> Better <--IsA-- Help <--IsA-- Facilitate <--UsedFor-- Minister 