Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Passage: The Canadian Armed Forces have a total reserve force of approximately 50,000 primary and supplementary that can be called upon in times of national emergency or threat. For the components and sub-components of the Canadian Armed Forces Reserve Force, the order of precedence follows: Question: When can the reserve force be called upon?
Student:
in times of national emergency or threat