Scientific is related to Fact. Fact is the opposite of False. 
Aim is related to Point. Point is related to Idea. Plan is a type of Idea. Plan is a synonym of Program. 
Scientific <--RelatedTo--> Fact <--Antonym--> False 
Aim <--RelatedTo--> Point <--RelatedTo--> Idea <--IsA-- Plan <--Synonym--> Program 