Choose the sentence that shows the CORRECT use of quotation marks in dialogue or with a title of a work.

Our class is studying John Keats' poem, "Ode on a Grecian Urn."
Our class is studying John Keats' poem Ode on a Grecian Urn.
Our class is studying John Keats poem, Ode on a Grecian Urn.
Our class is studying John Keats' poem, ode on a grecian urn.

Our class is studying John Keats' poem, "Ode on a Grecian Urn."