Complex sentence: An example being the white tzitzit donned by Rabbinical Jews, which is absent of tekhelet, which is regarded as a violation of the Torah, which requires the tzitzit be made with tekhelet.
Split into simpler sentences: An example being the white tzitzit donned by Rabbinical Jews, which is absent of tekhelet. Is regarded as a violation of the Torah, which requires that tzitzit be made with tekhelet.