YOU SAID:
You are a photosynthesis
INTO JAPANESE
あなたは、光合成です。
BACK INTO ENGLISH
You are photosynthetic.
INTO JAPANESE
光合成があります。
BACK INTO ENGLISH
Is photosynthesis.
INTO JAPANESE
光合成です。
BACK INTO ENGLISH
Is photosynthesis.
That didn't even make that much sense in English.