KeU 3.7
अथ वायुमब्रुवन्वायवेतद्विजानीहि किमेतद्यक्षमिति तथेति
Then they said to Vayu (the Air-god): "Vayu! Find out what this mystery is." He said: "Yes."
Translated by Swami Paramananda
Then they said to Vâyu (air): 'O Vâyu, find out what sprite this is.' 'Yes,' he said.
Translated by F. Max Müller