Considering the following scenarios:

$2$

There are $10$ labs in UB$06,$ each having $40$ PCs that can communicate with each other.

PCs in BU$01$ can communicate with PCs at BRAC Centre $($Both are in different networks$).$

A number of fire stations located in a city are connected, so office staff can easily communicate with one another.

You checked a message from your smart watch that was sent to your smartphone.

Match each of the above scenarios to an appropriate network type $($LAN$,$ WAN, MAN$).$ Give reasons for your choice.