How should I speak to sister-in-law to sister-in-law

How to ease the contradiction between sister-in-law and brother-in-law?

Normal circumstances ah well, individuals advise individuals daughter-in-law, so it is very sure, no doubt normal phenomenon, generally speaking, their own daughter-in-law to listen to their own advice, so it is really very sure, no doubt normal phenomenon, you say?

Sister-in-law and brother-in-law well water off river water personal over personal day and month

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