Context: Underneath that are the house keys for my grandma 's former house and my grandparent 's home . To the right is a selection of stones and a shell that I had found or bought over the years . Near the bottom is the rosary I received for my first communion .

Question: Why are the house keys underneath something ?
Options:
0. Because the writer received a rosary for their first communion .
1. Because to the right of the keys are a selection of stones .
2. Because the writer found a shell .
3. So that certain people can find the keys outside .
Answer: 3