Simplify the following text for a Grade 9 native English-speaking person.
Original: In a late-night Tribal Council ( which usually starts by sundown ) , Jenn sided with Tom in voting his closest ally Ian while Katie and Ian wanted vote for Jenn .
Simplified: In a late-night Tribal Council , Jenn sided with Tom in voting for his game-long ally Ian while Katie and Ian rallied against Jenn .