please give me the last answer just without explain

QUESTION 6 Given the following code segment for Stack. What is the value at the top of the stack? 1. Stack color = new Stack(5); 2. color.push("blue"); 3. color.push("red"); 4. color.push(color.top(); 5. color.push("green"); 6. color.push(color.pop(); a. blue b.red C. green d. stack underflow QUESTION 8 Given a queue with size 5. What would be the value of the second element to be removed from the queue? Index 0 1 2 3 3 4 'A' 'B' 'C' a. Stack Underflow b. B . D.A