Hang is the opposite of Go. Go is a type of Act. Implementation is a type of Act. 
Place is related to Slope. Slope is related to Rate. Rate is related to Scale. Scale is related to Ratio. 
Hang <--Antonym--> Go --IsA--> Act <--IsA-- Implementation 
Place <--RelatedTo--> Slope <--RelatedTo--> Rate <--RelatedTo--> Scale <--RelatedTo--> Ratio 