Solve the following question and choose the correct alternative from the following. 1, 2, 3, 4, and 5 are sitting in row but not necessarily in that order. All of them are sitting in a row with their backs toward North. 3 is immediate right to 5 and 4 is immediate left to 1. Only 2 is between 1 and 5. Which of the following are at the extreme ends?

• A. 3, 4
• B. 2, 5
• C. 2, 1
• D. 2, 1