YOU SAID:

Mary had a little lamb Its fur was as white as snow

INTO JAPANESE

メアリーは子羊を飼っていた その毛皮は雪のように白かった

BACK INTO ENGLISH

Mary had a lamb whose fur was as white as snow

INTO JAPANESE

メアリーは毛皮が雪のように白い子羊を飼っていた

BACK INTO ENGLISH

Mary had a lamb whose fur was as white as snow