Varun's response attempts to address the question but lacks clarity and relevance to the life sciences context. He mentions a fitness tracking app, which does not align with the specific requirements of life sciences projects. Additionally, his explanation is somewhat disjointed, making it difficult to understand the key points he is trying to convey. The benchmark response, in contrast, provides a clear and structured overview of how user experience design principles were applied in a relevant life sciences project, emphasizing user research, design principles, and usability testing. Varun should focus on providing specific examples that directly relate to the life sciences sector and ensure his responses are coherent and relevant.