JPB (you may guess who is behind these initials) answered "I don't know but if someone does, it will have to be Madhu!".
Big laughs at the table.

Before the lauch of JWST, there was an ARIEL meeting in Paris (ARIEL is a future ESA telescope that will study exoplanet atmospheres). During a lunch, someone asked around : "Do you think that someone will dare to claim a biosignature detection based on JWST spectra?"