Context: This was just fun . My daughter came home and said that are certain days of the year , according to her science teacher , and egg can stand on it 's end on just a regular flat surface . Supposedly it was one of those days a couple of days ago .

Question: What kind of day was it , a couple of days ago ?
Options:
0. A day where an egg can stand on its end , on a regular flat surface
1. None of the above choices .
2. A day where the daughter comes home
3. A day where an egg can sit on a regular flat surface
Answer: 0