Evident is a synonym of Obvious. Obvious is a synonym of Apparent. Apparent is the opposite of Hidden. Hidden is related to Shade. 
Issue is a type of Distribute. Issue is a synonym of Question. Question is related to Response. 
Evident <--Synonym--> Obvious <--Synonym--> Apparent <--Antonym--> Hidden <--RelatedTo--> Shade 
Distribute <--IsA-- Issue <--Synonym--> Question <--RelatedTo--> Response 