Five tasks, T1, T2, T3, T4, and T5, need to be completed. T1 must be done before T3 but after T2. T4 must be completed before T5. What is the correct order of tasks?
Answer: A. T2, T1, T3, T4, T5
T2 is first, followed by T1, then T3, T4, and finally T5.