Safety is a type of Confidence. Confidence is a type of Security. Security is related to Bolt. 
People is related to Concert. you are likely to find Pleasure in/at/on Concert. Walking can be used for Pleasure. Walking can be Pleasant. 
Safety --IsA--> Confidence --IsA--> Security <--RelatedTo--> Bolt 
People <--RelatedTo--> Concert <--AtLocation-- Pleasure <--UsedFor-- Walking --HasProperty--> Pleasant 