form={
 button={ label=QUIT action=QUIT }
 message={ value="Is the QUIT button sensitive?" fromVert=button1 }
 toggle={ label="Yes" action="SET button1 sensitive True" 
  action="SET toggle2 state False"
  fromHoriz=message1 fromVert=message1 state=True } 
 toggle={ label="No" action="SET button1 sensitive False" 
  action="SET toggle1 state False"
  fromHoriz=toggle1 fromVert=message1 } 
}
