<s>[INST] Here is a situation. I have a written complaint from a tenant, who is threatening to sue me because the hallways in their building are not being regularly cleaned. The tenant even provided photographs of the state of the hallway, which do appear to show a significant amount of mildew, dust, and dirt. The tenant alleges that this creates a significant health risk and contributed to their asthma.

I am concerned about the potential validity of this complaint and the potential for a successful lawsuit. I, as the landlord, have a number of options available to me. What would be a reasonable course of action?[/INST]