Context: In reality , it was sand . Sand used to make the finest glass . After the war , the Barcid king had ordered that no glass was to be given to outsiders at any cost . Thus , over the years , glass had become scarce and the process of glass making lost to the world .

Question: What may be the reason glass has become scarce and the process of making glass making be lost to the world ?
Options:
0. The Barcid King ordered his people , at no cost , would glass be given to outsiders after the war .
1. The King would decide who would get glass .
2. The King wanted to be paid before giving away glass .
3. None of the above choices .
Answer: 0

Question: What may happen if the King does n't allow outsiders to have glass after the war .
Options:
0. Glass will become scarce to everyone
1. Glass would be around in some places .
2. None of the above choices .
3. Everyone making glass will be forgotten .
Answer: 0

Question: What may happen if the King does n't allow outsiders to have glass after the war .
Options:
0. Everyone making glass will be forgotten .
1. None of the above choices .
2. Glass would be around in some places .
3. The process of making glass will be forgotten by everyone .
Answer: 3

Question: What may be the reason glass has become scarce and the process of making glass making be lost to the world ?
Options:
0. The King wanted to be paid before giving away glass .
1. The King would decide who would get glass .
2. The Barcid King did n't want the glass from his sand to go to outsiders .
3. None of the above choices .
Answer: 2