German Blue Ram sexing advice

Hi all, not the first or last post you'll ever see about looking for help with sexing a fish but can anyone help with my GBR? Was sold them as a male and female but I'm not too sure. TIA

Females get a pink belly when mature and happy, males don't.

If you want a breeding pair of cichlids, buy a group of 8-10 fish and grow them up in the same tank. Let them choose their partners and then move the prs into their own tank, or move the other fish out and leave the pr behind.

Male above, female below.