In context of overlay "Places" – Mensa Academica (Restaurant) – osm.org/way/40776444 via StreetComplete_ee 60.2:

RWTH / FH student ID card required for payment. Card balance can be loaded using cash or debit/credit cards using machines on-site.

Unable to answer "Is this place wheelchair accessible?" – RWTH Poststelle (Post Office) – osm.org/node/12589800001 via StreetComplete_ee 60.2:

Kein sichtbarer Aufzug