Government is related to Agent. Agent is related to Air. you are likely to find Arm in/at/on Air. 
Needle is a synonym of Spine. Spine is part of Body. Head is part of Body. 
Government <--RelatedTo--> Agent <--RelatedTo--> Air <--AtLocation-- Arm 
Needle <--Synonym--> Spine --PartOf--> Body <--PartOf-- Head 