PS: five definitions of the word "facility". Which one corresponds to its use in the video?
1: the quality of being easily performed
2: ease in performance : aptitude
3: readiness of compliance
4 a (1) : something that makes an action, operation, or course of conduct easier —usually used in plural
(2) : lavatory 2 —often used in plural
b : something (as a hospital) that is built, installed, or established to serve a particular purpose