If Available date is less than Project End Date - Highlight

Hello! I am trying to setup a rule or conditional formatting to indicate when an availability date is going to need attention.

Example: Consultant Available Date is 11/21/21 but the Max End Date column is showing 3/31/22. How can I highlight that data? Or even if I have to add a column that can be used to indicate something is wrong with that row?

Thank you so much for your help!

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