Context: We stopped and reviewed the map . We were n't quite halfway , but we did seem to be on pace to make it to the shelter at a reasonable time . We decided to walk another mile or so to Marble Spring and have lunch there . It did n't take long to get to Marble Spring .

Question: What may I be currently doing ?
Options:
0. Biking
1. None of the above choices .
2. Hiking
3. Driving
Answer: 2