 
 <prompt> Wia Proto-Iranian come from Given di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: All Iranian languages dem come from one common ancestor, Proto-Iranian. For their own side, and together with Proto-Indo-Aryan and the Nuristani languages, Proto-Iranian come from one common ancestor Proto-Indo-Iranian. Dem believe say the Indo-Iranian languages start from Central Asia. The Andronovo culture na the possible candidate for the common Indo-Iranian culture around 2000 BC. 