Accessible is a synonym of Weak. Weak is similar to Stupid. Stupid is related to Dog. Dog is related to Horse. 
Calendar is a type of List. you are likely to find List in/at/on Table. you are likely to find Game in/at/on Table. Baseball is a type of Game. 
Accessible <--Synonym--> Weak <--SimilarTo--> Stupid <--RelatedTo--> Dog <--RelatedTo--> Horse 
Calendar --IsA--> List --AtLocation--> Table <--AtLocation-- Game <--IsA-- Baseball 