Quick is related to Flash. Flash is related to Photographer. you are likely to find Photographer in/at/on Wedding. you are likely to find Bride in/at/on Wedding. 
Session is a synonym of Set. Set is related to Burn. Burn is related to Black. Black is related to Grape. 
Quick <--RelatedTo--> Flash <--RelatedTo--> Photographer --AtLocation--> Wedding <--AtLocation-- Bride 
Session <--Synonym--> Set <--RelatedTo--> Burn <--RelatedTo--> Black <--RelatedTo--> Grape 