Example of a Runway Allocation Decision Tree

This is a diagram of a Runway Allocation Decision Tree.

The topmost box asks, "Which Runway Pair?"  The possible responses
are "from Runway A to B" and "from Runway B to A".  The 
"from Runway A to B" response leads to another box which asks,
"Which Feeder Gate?"  The possible responses are "North", "South",
"East", and "West".  The "East" response" leads to a box which asks,
"Odd Aircraft Engine Type?"  The possible responses are "Yes" and "No".
The "Yes" response leads to the runway allocation category, "Consider for
Runway Allocation".