Detailed Instructions: This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
Q: Passage: According to Titus 3:10 a divisive person should be warned two times before separating from him. The Greek for the phrase "divisive person" became a technical term in the early Church for a type of "heretic" who promoted dissension. In contrast correct teaching is called sound not only because it builds up in the faith, but because it protects against the corrupting influence of false teachers. Question: What word is used when speaking of correct teachings in contrast to a false teacher?
A:
sound