At the end of a project you upload project documents to a Microsoft SharePoint Online library that contains many fifes. Files that have the following naming format must be labeled as Project I
* aei_AA989.docx
* bd_WSOgadocx
* cei_DLF112-docx
* ebc_QQ4S4.docx
* ecc_BB565.docx
You plan to create an auto-apply retention label policy.
What should you use to identify the files, and which regular expression should you use? To answer, select the appropriate options in the answer area.