Context: I had one thought as I headed to the beach for a 20-minute power stint of sea glass hunting and it was , " I got to get purple sea glass . " Well , there were a few thoughts . " Maybe there will be a big purple , or a dark purple or many small but varied shades . I hope I get some purple . I could really use some purple .

Question: Why could I really use some purple ?
Options:
0. Because I had one thought .
1. Because I hope I get some purple .
2. None of the above choices .
3. Because I need objects of that color to make something colorful .
Answer: 3