Final answer:
The correct analogy to 'smart is to intelligent as stern is to fantastic' is 'Strict is to lenient.' This represents the relationship between synonyms and opposites in word pair analogies.
Step-by-step explanation:
The question asks to identify the analogy closest in meaning to smart is to intelligent as stern is to fantastic. The relationship between smart and intelligent is that they are synonyms - words that have similar meanings. Therefore, we are looking for a pair of words where the first is a synonym of stern. The correct answer is 'Strict is to lenient' because strict and stern have similar meanings, and lenient is the opposite of strict, just as fantastic is not a synonym of stern.