Detailed Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Problem:Context : The children of Thaumas and Electra were the Harpies and Iris, the goddess of rainbows and a messenger of the gods; according to some, also Arke.
Answer : Iris
Solution:
Who is the offspring of Thaumas?