YOU SAID:
the dogs will always be purple and eat frogs.
INTO JAPANESE
犬はいつも紫色でカエルを食べます。
BACK INTO ENGLISH
Dogs are always purple and eat frogs.
INTO JAPANESE
犬はいつも紫色で、カエルを食べます。
BACK INTO ENGLISH
Dogs are always purple and eat frogs.
That didn't even make that much sense in English.