Simplify the following text for a Grade 6 native English-speaking person.
Original: Two-and-a-half years later in Part II , Kakashi reforms Team 7 with Naruto , Sakura , Sai , and Yamato . He assists and leads the new Team 7 in their continued efforts to find and retrieve Sasuke , but with each attempt Sasuke has eluded them .
Simplified: After Sasuke defects , Team 7 receives Sai as a replacement .