ピアノを弾いている少女は私の妹です。
Sentence Analyzer
English Translation
        The girl playing the piano is my sister.
    
Furigana
        ピアノを弾 いている少女 は私 の妹 です。
    
Romanji
        Piano o hiiteiru shōjo wa watashi no imōto desu.
    
Words
            
                ピアノ
            
            
                (ピアノ、ピヤノ)
            
        
        
            piano
        
    
            
                を
            
            
                (を)
            
        
        
            indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
        
    
            
                弾く
            
            
                (はじく)
            
        
        
            to flip; to snap; to flick; to repel; to use (an abacus); to calculate; to strum; to pluck the strings (of a guitar, etc.)
        
    
            
                少女
            
            
                (しょうじょ、おとめ)
            
        
        
            little girl; maiden; young lady; female usually between 7 and 18 years old
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                私
            
            
                (わたし、わたくし)
            
        
        
            I; me; private affairs; personal matter; secrecy; selfishness
        
    
            
                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
        
    
            
                妹
            
            
                (いもうと)
            
        
        
            younger sister
        
    
            
                です
            
            
                (です)
            
        
        
            be; is
        
    Kanji
Readings: ダン、 タン、 ひ.く、 -ひ.き、 はず.む、 たま、 はじ.く、 はじ.ける、 ただ.す、 はじ.きゆみ
                        Meanings: bullet, twang, flip, snap
                    Readings: ショウ、 すく.ない、 すこ.し
                        Meanings: few, little
                    Readings: ジョ、 ニョ、 ニョウ、 おんな、 め
                        Meanings: woman, female
                    Readings: シ、 わたくし、 わたし
                        Meanings: private, I, me
                    Readings: マイ、 いもうと
                        Meaning: younger sister