How to configure first responder win approval rule for lease accounting

Summary:

Hi,

I've a requirement at lease approval. Once a lease is submitted, it should rute to two approval groups.

group A- 2 users
Group B - 3 users.

For group A, all users must approve the transaction before it goes to Group B, while in Group B, First responder win rule should be applicable.
How can i achieve this requirement,I've tried multiple attempts through BPM but unable to achieve this.
Please guide in this regard.

Regards
Shahzaib Shaukat

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24D

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