Science is related to Like. Like is related to Phrase. 
Smart is a synonym of Sharp. Sharp is a synonym of Brilliant. Brilliant is a synonym of Excellent. Excellent is a synonym of Crucial. 
Science <--RelatedTo--> Like <--RelatedTo--> Phrase 
Smart <--Synonym--> Sharp <--Synonym--> Brilliant <--Synonym--> Excellent <--Synonym--> Crucial 