Complex sentence: Sūtrayāna, (Sanskrit) in the Indo-Tibetan three-fold classification of yanas, is the yana (mode of practice) that leads to the realization of emptiness.
Split into simpler sentences: Sūtrayāna, (Sanskrit) in the Indo-Tibetan three-fold classification of yanas. A yana is a mode of practice that leads to the realization of emptiness.