Quantity is related to Lot. Lot is a synonym of Gang. Gang is related to Social. 
Aids is related to Hear. Hear is related to Job. Job is related to Duty. 
Quantity <--RelatedTo--> Lot <--Synonym--> Gang <--RelatedTo--> Social 
Aids <--RelatedTo--> Hear <--RelatedTo--> Job <--RelatedTo--> Duty 