Donc, M. Färm, qui a malheureusement quitté l'enceinte, devrait un peu revoir son raisonnement et sa copie parce qu'il est victime de beaucoup de contradictions.
So I would advise Mr Färm, who has unfortunately left the building, to check back over his reasoning and try to come up with something better, since he is subject to rather a lot of contradictions.