4. Given the following instruction sequence sub 2, $1,53 and $12,$2,55 or 13,56,$2 add $14,52,$2 sw $15,100(S2) a. 10 points] Identify all the data dependencies and data hazard(s) b. [10 points] Show how you can eliminate the data hazard(s) with forwarding. c. [5 points) Are the data dependencies the same as the data hazard(s)? Why or why not