Mere is related to Slight. Slight is related to Shock. Shock is a synonym of Impact. Impact is related to Effect. 
Cite is related to Insight. Thinking can cause/lead to Insight. one thing you do when you Thinking is Headache. Headache is a synonym of Bother. 
Mere <--RelatedTo--> Slight <--RelatedTo--> Shock <--Synonym--> Impact <--RelatedTo--> Effect 
Cite <--RelatedTo--> Insight <--Causes-- Thinking --HasSubevent--> Headache <--Synonym--> Bother 