Is the following sentence factually correct?
"The three Cs of connoisseurship as contrast, cells, and carat weight, grade the Emerald like all colored gemstones."
Options:
- yes
- no Step-by-step reasoning process:
The four Cs of connoisseurship as color, clarity, cut and carat weight are used to grade the Emerald and other colored gemstones. Therefore, the final answer is no.