Arm is a type of Projection. Arm is related to Rifle. Rifle is related to Stick. Stick is related to Job. 
Distinct is a synonym of Prominent. Prominent is the opposite of Background. Background is a synonym of Setting. 
Projection <--IsA-- Arm <--RelatedTo--> Rifle <--RelatedTo--> Stick <--RelatedTo--> Job 
Distinct <--Synonym--> Prominent <--Antonym--> Background <--Synonym--> Setting 