Federal is related to Prison. Prison is related to Punishment. Punishment is related to Negative. 
Vary is a different concept from Consistent. Consistent is a synonym of Uniform. Uniform is a type of Supply. Glass is a type of Supply. 
Federal <--RelatedTo--> Prison <--RelatedTo--> Punishment <--RelatedTo--> Negative 
Vary <--DistinctFrom--> Consistent <--Synonym--> Uniform --IsA--> Supply <--IsA-- Glass 