Bat is related to Blind. Blind is related to Physical. Physical is a different concept from Psychological. Psychological is related to Denial. 
you are likely to find Debris in/at/on Orbit. Debris is a synonym of Dust. 
Bat <--RelatedTo--> Blind <--RelatedTo--> Physical <--DistinctFrom--> Psychological <--RelatedTo--> Denial 
Orbit <--AtLocation-- Debris <--Synonym--> Dust 