"Which resident lives here" would be more natural
agreed. saya setuju.
"sini's" sound is not usual. not like what native say.
Sounds more like 'dis ini' in this audio
Having trouble getting my head around the double yangs here -- the incoming meaning does not flow comfortably in my understanding.
I think this may be what the team is trying to get at in English:
"What is the make up of the residents who live here?"
What is the structure of this sentence? The double 'yang' is confusing.