The following five sentences, labeled 1 to 5, relate to a single topic. Four of these sentences can be arranged to form a logical paragraph. Identify the sentence that does not fit with the others and enter its number as your answer.

1. Minimalist architecture, in its modern iteration, champions a severe reduction of form, rigorously eschewing superfluous ornamentation in favor of unadorned surfaces and stark geometric precision.
2. This particular aesthetic frequently manifests through expansive, uncluttered interiors, a highly restrained palette of natural materials, and a meticulous attention to the interplay of natural light and shadow.
3. Despite its perceived simplicity, the successful realization of truly minimalist architectural projects often necessitates an exceptionally high degree of construction precision and superior material quality to achieve the desired seamlessness and structural integrity.
4. The deliberate absence of superfluous detail in these designs fundamentally aims to cultivate a pervasive sense of tranquility and clarity, effectively guiding the occupant's focus towards intrinsic spatial relationships and functional essence.
5. Such architectural compositions articulate a profound philosophical stance wherein the intrinsic beauty emerges directly from a building's fundamental purpose and the inherent qualities of its constituent elements, rather than from decorative embellishment.