YOU SAID:
Religion Class Is Boring
INTO JAPANESE
宗教クラスは退屈です
BACK INTO ENGLISH
Religious class is boring
INTO JAPANESE
宗教的なクラスは退屈です
BACK INTO ENGLISH
Religious classes are boring
INTO JAPANESE
宗教的な授業は退屈です
BACK INTO ENGLISH
Religious lessons are boring
INTO JAPANESE
宗教的なレッスンは退屈です
BACK INTO ENGLISH
Religious lessons are boring
That didn't even make that much sense in English.