頭の上の磁石がその原因だった。

Sentence Analyzer

磁石 その 原因 だった

English Translation

The magnets on their heads were responsible for that.

Furigana

(あたま)(うえ)磁石(じしゃく)がその原因(げんいん)だった。

Romanji

Atama no ue no jishaku ga sono gen'in datta.

Words

(あたま、かしら)
head; hair (on one's head); mind; brains; intellect; leader; chief; boss; captain; top; tip; beginning; start; head; person; top structural component of a kanji
()
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
(うえ)
above; up; over; elder (e.g. daughter); top; summit; surface; on; before; previous; superiority; one's superior (i.e. one's elder); on top of that; besides; what's more; upon (further inspection, etc.); based on (and occurring after); matters concerning...; as concerns ...; since (i.e. "for that reason"); suffix indicating higher social standing; place of one's superior (i.e. the throne); emperor; sovereign; shogun; daimyo; noblewoman (esp. the wife of a nobleman)
磁石 (じしゃく、じせき)
magnet; compass
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
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...
原因 (げんいん)
cause; origin; source
()
be; is; indicates past or completed action; indicates light imperative

Kanji

Readings: トウ、 ズ、 ト、 あたま、 かしら、 -がしら、 かぶり
Meanings: head, counter for large animals
Readings: ジョウ、 ショウ、 シャン、 うえ、 -うえ、 うわ-、 かみ、 あ.げる、 -あ.げる、 あ.がる、 -あ.がる、 あ.がり、 -あ.がり、 のぼ.る、 のぼ.り、 のぼ.せる、 のぼ.す、 よ.す
Meanings: above, up
Reading: 
Meanings: magnet, porcelain
Readings: セキ、 シャク、 コク、 いし
Meaning: stone
Readings: ゲン、 はら
Meanings: meadow, original, primitive, field, plain, prairie, tundra, wilderness
Readings: イン、 よ.る、 ちな.む
Meanings: cause, factor, be associated with, depend on, be limited to