Yellow wrote

Violet and I have made, and will make, the medicine [ P U R E ].

Green, you shall oversee the various comings and goings of the Tower and its Residents.

The first of the Machines will start dispensing the Medicine to Residents [ I M M E D I A T E L Y ].
I will make sure there are enough Machines to accompany the Residents... at least one Machine per Resident.