You are given a question and three statements. Identify which of the statements is/ are necessary sufficient to answer the question:Question:In which year was Arti born?Statements:I. Aarti is six year older than PranaviII. Pranavi’s sister was born in 1982III. Aarti’s sister is two years younger than Pranavi’s sister, who is eight years younger than Pranavi.

• A. Only II and III are sufficient
• B. Only I and III are sufficient
• C. All I, II and III are necessary
• D. Only I is sufficient