pattern: whatsapp-iso

body:
[15/03/24, 18:37:00] Alice Example: hello
[15/03/24, 18:37:30] Bob Example: hey
[15/03/24, 18:38:00] Alice Example: how are you
[15/03/24, 18:39:00] Bob Example: good

expected_participants:
Alice Example
Bob Example


body:
[01/01/24, 00:00:00] Charlie Example: happy new year
[01/01/24, 00:00:30] Diana Example: same to you
[01/01/24, 00:01:00] Charlie Example: any plans?
[01/01/24, 00:02:00] Diana Example: sleep

expected_participants:
Charlie Example
Diana Example