[Trigger] Tavern upgrade only a team

[Rubber]

I have a tavern for upgrade ship but there is a problem there is 2 team, I need to set up that only 2 team can research this upgrades? How I can set up?
(if put the trigger I can uderstand the path in world editor )

Thank

 

[Numerion]

ImageShack - Hosting :: upgradesxd1.png

here you go