Simplify the following text for a Grade 15 native English-speaking person.
Original: Teams that participated in the inaugural season were the Philippine Patriots , Thailand Tigers , SM BritAma , Kuala Lumpur Dragons , Brunei Barracudas and former National Basketball League ( Australia ) team the Singapore Slingers .
Simplified: Teams that participated in the first season were the Philippine Patriots , Thailand Tigers , SM BritAma , Kuala Lumpur Dragons , Brunei Barracudas and former National Basketball League ( Australasia ) team the Singapore Slingers .