Varun's response does not address the question asked. The interviewer requested specific examples of how Varun has used Jira or Rally to manage complex software development projects, including how these tools helped maintain project timelines and deliverables. Varun's one-word response does not provide any insight into his experience with these project management tools or any details about his project management skills. Varun should provide a detailed account of a project where he used Jira or Rally, explaining how he utilized the features of these tools to manage tasks, collaborate with the team, and ensure the successful delivery of the project.