|Crossing the River|
This is a good problem-solving puzzle.
You are on an expedition with three colleagues: Tom Wolfe, Walter Pigeon and Stuart Grainger. You have to cross a river using a small dinghy which can hold only two people at a time. Unfortunately, Tom Wolfe doesn't like Walter Pigeon and Stuart Grainger irritates Walter Pigeon. Given the stresses of the expedition, you are concerned that leaving either Tom and Walter or Walter and Stuart alone together could result in serious consequences for the success of the expedition. How do you cross the river?
Try this problem as an outdoor exercise.