Ball is related to Bat. Bat is related to Rat. Rat is related to Garbage. Garbage is the opposite of Valuable. 
Pick is a synonym of Screen. Screen is a type of Filter. 
Ball <--RelatedTo--> Bat <--RelatedTo--> Rat <--RelatedTo--> Garbage <--Antonym--> Valuable 
Pick <--Synonym--> Screen --IsA--> Filter 