Modest is a synonym of Mild. Mild is the opposite of Hot. Hot is similar to Lucky. 
Sea is related to Shark. you are likely to find Shark in/at/on Museum. Museum can be used for Education. 
Modest <--Synonym--> Mild <--Antonym--> Hot <--SimilarTo--> Lucky 
Sea <--RelatedTo--> Shark --AtLocation--> Museum --UsedFor--> Education 