1. Identify whether the sets are well-defined or not a. The collection of even numbers b. The collection of talented students 2. Write in roster method: C. Set A containing the letters of the English alphabet 3. Write in descriptive form B = {a,e,i,o,u] 4. Write in Set Builder Notation C={1,3,5,7,9,11,133 5 List all the possible subsels of the given Set A = {1,2,3,4}​