Start
Start
Drinks
Decision
Do you want a Hot drink
Action/Process
Boil the Water
Decision
Is your glass / mug empty?
Action/Process
You have a drink, no action required
Finish
Finish
No fresh drink required, you already have a drink
Subroutine
Fill your glass with water
Finish
Finish
You have a cold drink
Subroutine
Make the drink
Finish
Finish
You have a hot drink