<s>[INST] Evaluate the given statements and determine which would be the most desirable to implement in a library building project.
a) Build a library that produces no emissions or occupants do not need to suffer in silence so the ventilation system should allow for some noise to facilitate air exchange.
b) The library is a living, breathing entity and, as such, the level of fresh air and air cleanliness should be at the maximum level, consistent with the best indoor air quality standards.
Statement a can be improved by considering the following:
* Each of the goals (energy efficiency, thermal comfort and indoor air quality) cannot be the primary goal on its own; compromises have to be made to balance all with each of them other.
* How do you measure a good indoor air quality in a library?[/INST]