Group 1 - The article discusses the significance of the "Da Bin Fang Gu" lotus seed purple clay teapot, highlighting its practicality and artistic value [2][4] - The teapot is made from purple clay mixed with sand, giving it a unique texture and appearance reminiscent of pear skin [4][10] - The craftsmanship is emphasized, with features such as a tight-fitting lid and a small vent hole to prevent pressure buildup [7][10] Group 2 - The teapot features an inscription that reflects a scholarly appreciation for tea culture, indicating the creator's artistic intent [12][20] - Shi Dabing, a prominent figure in the late Ming Dynasty, is noted for his innovative techniques and high-quality purple clay teapots [14][20] - The article mentions the historical context of tea drinking in the Ming Dynasty, particularly the shift from compressed tea to loose tea, which influenced the design of teapots [23][25]