What organism presents as a pink colony with a halo on MacConkey media and a green metallic sheen on EMB?

Name: What organism presents as a pink colony with a halo on MacConkey media and a green metallic sheen on EMB?
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On certain selective and differential media,such as MacConkey or EMG agars,E.coli has distinctive morphology.It usually presents as a lactose-positive (pink)colony with a surrounding area of precipitated bile salts on MacConkey agar.On EMB agar,it presents with a green metallic sheen.

What Organism Presents as a Pink Colony with a Halo