Context: Pop and I went to a concrete yard today and ordered " pea gravel " for our patio ! Its gravel the size of ... peas ... duh ( as opposed to egg gravel for example . ) I just recieved the TON AND A HALF ... which weighs alot but is only a moderate size pile .

Question: What may be the reason to buy the gravel ?
Options:
0. I want to finish planting .
1. I want to paint them .
2. I need some cat litter .
3. I am remodelling the patio .
Answer: 3