Match the stages in Data analysis:
Stage 1: a. Pre-defined reports - 1. What will happen?
Stage 2: b. Ad Hoc Queries - 2. Making it Happen
Stage 3: c. Analytical Modeling - 3.Why did it happen?
Stage 4: d. Continuous Update - 4. What happened?
Stage 5: e. Event Based Triggering - 5. What is happening?"