Front is a synonym of Face. Face is a synonym of Look. Look is a synonym of Seem. Seem is related to Illusion. 
Blue is related to Associate. Associate is a synonym of Connect. Connect is related to Meet. Cluster is a type of Meet. 
Front <--Synonym--> Face <--Synonym--> Look <--Synonym--> Seem <--RelatedTo--> Illusion 
Blue <--RelatedTo--> Associate <--Synonym--> Connect <--RelatedTo--> Meet <--IsA-- Cluster 