Context: For most of the way after Parkdale , CO we followed the Arkansas River . We stopped a couple of times to take pictures . About an hour before we reached Gunnison it started raining . And continued to rain for hours .

Question: What may be the reason for being on the road so much ?
Options:
0. They are out to explore for the day .
1. None of the above choices .
2. They 're on a road trip .
3. They 're on a scavenger hunt .
Answer: 2