YOU SAID:
When your teacher is black monster grass
INTO JAPANESE
あなたの先生が黒い怪物草であるとき
BACK INTO ENGLISH
When your teacher is a black monster grass
INTO JAPANESE
あなたの先生が黒い怪物草であるとき
BACK INTO ENGLISH
When your teacher is a black monster grass
That didn't even make that much sense in English.