you are likely to find Safe in/at/on Cabinet. Safe is related to Very. Very is related to Express. Express is related to Method. 
Grandfather is related to Retirement. Retirement is a synonym of Departure. 
Cabinet <--AtLocation-- Safe <--RelatedTo--> Very <--RelatedTo--> Express <--RelatedTo--> Method 
Grandfather <--RelatedTo--> Retirement <--Synonym--> Departure 