YOU SAID:
because the ocean is blue the whales are big
INTO JAPANESE
海が青いのでクジラは大きいです
BACK INTO ENGLISH
The whale is big because the sea is blue
INTO JAPANESE
海が青いのでクジラが大きい
BACK INTO ENGLISH
The sea is blue so the whales are big
INTO JAPANESE
海は青いのでクジラは大きいです
BACK INTO ENGLISH
The sea is blue so the whales are big
That didn't even make that much sense in English.