Teacher:Generate a correct and concise answer for the question based on the words in the context.
Teacher: Now, understand the problem? Solve this instance: Context : ''The Vengeance Factor'' is the ninth episode of the third season of the science fiction television series Star Trek: The Next Generation, and the 57th episode of the series overall.
Question : What series is The Vengeance Factor a part of?
Student:
Star Trek: The Next Generation