Unable to answer "What basic shape does this building’s roof have?" for https://osm.org/way/165216841 via StreetComplete 29.0:

Hausnummern 51,53 und 55 haben diese Dachform.

Attached photo(s):
https://westnordost.de/p/27056.jpg
https://westnordost.de/p/27057.jpg