# overwrite previously seen values

A <old-a-email>
A-overwritten <old-a-email>

B <new-b-email> <old-b-email>
B-overwritten <new-b-email-overwritten> <old-b-email>

C <new-c-email> old-C <old-c-email>
C-overwritten <new-c-email-overwritten> old-C <old-c-email>

<new-d-email> <old-d-email>
<new-d-email-overwritten> <old-d-email>