YOU SAID:
I like cake It is yummy!!!
INTO JAPANESE
私はケーキが好きですそれはおいしいです!!!
BACK INTO ENGLISH
I like cake it is delicious !!!
INTO JAPANESE
私はケーキが好きです、おいしいです!!!
BACK INTO ENGLISH
I like cakes and are delicious !!!
INTO JAPANESE
私はケーキが好きで美味しいです!!!
BACK INTO ENGLISH
I like cakes and are delicious !!!
That didn't even make that much sense in English.