その問題はその理由で重要なのだ。
Sentence Analyzer
English Translation
        The problem is important on that account.
    
Furigana
        その問題 はその理由 で重要 なのだ。
    
Romanji
        Sono mondai wa sono riyū de jūyōna no da.
    
Words
            
                其の
            
            
                (その)
            
        
        
            that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...
        
    
            
                問題
            
            
                (もんだい)
            
        
        
            question (e.g. on a test); problem; problem (e.g. societal, political); question; issue; subject (e.g. of research); case; matter; question (i.e. doubt); public discussion; controversy; trouble; problem; inconvenience; difficulty
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                理由
            
            
                (りゆう、わけ)
            
        
        
            reason; pretext; motive
        
    
            
                で
            
            
                (で、にて)
            
        
        
            indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.
        
    
            
                重要
            
            
                (じゅうよう)
            
        
        
            important; momentous; essential; principal; major
        
    
            
                の
            
            
                (の)
            
        
        
            indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative
        
    Kanji
Readings: モン、 と.う、 と.い、 とん
                        Meanings: question, ask, problem
                    Reading: ダイ
                        Meanings: topic, subject
                    Readings: リ、 ことわり
                        Meanings: logic, arrangement, reason, justice, truth
                    Readings: ユ、 ユウ、 ユイ、 よし、 よ.る
                        Meanings: wherefore, a reason
                    Readings: ジュウ、 チョウ、 え、 おも.い、 おも.り、 おも.なう、 かさ.ねる、 かさ.なる、 おも
                        Meanings: heavy, heap up, pile up, nest of boxes, -fold
                    Readings: ヨウ、 い.る、 かなめ
                        Meanings: need, main point, essence, pivot, key to