Simplify the following text for a Grade 6 native English-speaking person.
Original: When Burton returned to Drake , his tribe apologized , and were happy to have him back . When Lil returned to Morgan , she was welcomed by her old tribe , however she was n't sure if she could trust them , especially Andrew , who was still visibly resentful toward her .
Simplified: While Burton made up with his old tribe , Lil 's return did n't make the other Morgan members too happy .