Simplify the following text for a Grade 11 native English-speaking person.
Original: Knowing Ibrehem was Ulong 's worst performer in the Reward Challenge , Koror granted Ibrehem individal immunity in a 3-2-2-1 vote ( with Bobby Jon and Stephenie both have 2 votes and Angie with 1 ) .
Simplified: Knowing Ibrehem was Ulong 's worst player in the last Reward Challenge , Koror gave Ibrehem individal immunity in a 3-2-2-1 vote ( with Bobby Jon and Stephenie both have 2 votes and Angie with 1 ) .