He said; 'One god— who is he?— swallowed the four great ones, he, the guardian of the world. O Kâpeya, mortals see him not, O Abhipratârin, though he dwells in many places. He to whom this food belongs, to him it has not been given.'
In plain words: The student answers with a riddle. He says one hidden god, the protector of the world, swallows four great things, and people cannot see him even though he lives in many places. He adds that the food really belongs to that god, yet they have not shared it with him.