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 .

Generate a question about the above context.
What may I be currently doing ?
Options are: (A). Biking (B). None of the above choices . (C). Hiking (D). Driving