Simplify the following text for a Grade 9 native English-speaking person.
Original: Though Stephenie made Ulong 's work progress , Coby 's puzzle prowess gave Koror another win ; sending the Ulong trio back to Tribal Council .
Simplified: Though Stephenie made Ulong 's work progress , Coby 's puzzle skills gave Koror another win ; sending Ulong back to Tribal Council .