Feedback is related to Report. Report is related to Data. Data is related to Bit. Bit is related to Amount. 
Search is a type of Investigation. Scan is a type of Search. Scan is a type of Examination. 
Feedback <--RelatedTo--> Report <--RelatedTo--> Data <--RelatedTo--> Bit <--RelatedTo--> Amount 
Investigation <--IsA-- Search <--IsA-- Scan --IsA--> Examination 