Fluid and crystallized intelligence

https://en.wikipedia.org/wiki/Fluid_and_crystallized_intelligence

[1] Landlord (to all tenants): 'please be considerate of others for noise'
[2] Me: they're making noise again (24th email; across three years now)
[3] Landlord (previously sent emails to noisy tenants): 'I don't know what you want me to do about it' - 'I can't figure this out'
[5] Tenants: we can't figure it out, either [1]