Question 2 [10 points] A relation R is given which is R(A,B,C,D,E). It has the following functional dependencies: AB-> C, C->E and B -> D. Answer the following based on this information. 1. Find all the candidate keys and explain your answer [2 points] 2. Which normal form does this relation satisfy? Explain your answer. [3 points] 3. Decompose it until 3NF step by step. [5 points]