Also, if "s m l xl" refers to the scale or size of his projects, that could be a stretch. More likely, these are separate from the main topic, but I need to address both aspects. Maybe the user is looking for a report that, in addition to discussing Koolhaas's work, includes sections on size options for a related product, but that's unclear. The safest approach is to treat them as two separate topics if that's the case, but given the initial instruction, focus on the Koolhaas PDF part with extra quality, while acknowledging the size abbreviations as part of the request.