Task: Question Generation
Input (English): Context: I was commissioned to make a jewellery set using green natural stones or mixture for a teenager . I was working with some aventurine and green agate chips for a while but I was n't happy with design and it did n't look out . Last weekend , I went out to buy a strand of Aventurine rounds in the color of Jade .
Output (English): Why is the narrator using so many green stones in the piece ?