Let’s say following is my situation:
Sheet 1:
<tbody>
Wifi
Intercom system
Room 1
Yes
Yes
Room 2
No
No
</tbody>
Sheet 2:
<tbody>
Room 1
Wifi
Yes
Intercom
Yes
</tbody>
Sheet 3:
<tbody>
Room2
Wifi
No
Intercom
No
</tbody>
I want to be able to make changes in both ways...