Write down the sequence of events clearly show that high priority activities are important to low-priority activities before checking to see whether the activity is an activity that led to the goal.
Write down the sequence of events clearly. By using the high-priority activities that have a low pre-event sequences confirm that the activity is an activity that led to the goal.
Write down the sequence of activities to clear. By bringing the higher-order activities before the low activity sequence, verify that the activities that make activities that leads to the target.