How do I argue for Adam and Eve being the first parents?

How do you explain Adam and Eve to a person who believes in most everything else the Catholic Church teaches - but doesn’t think that there was an Adam and Eve and that they are our first parents?

Thank you

The following link should help you in your efforts to explain the Church teaching on Adam and Eve. If you have any further questions, please contact Catholic Answers directly.
**
Recommended Reading:**

Were Adam and Eve real people?

DISCLAIMER: The views and opinions expressed in these forums do not necessarily reflect those of Catholic Answers. For official apologetics resources please visit www.catholic.com.