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 Aarti born?
Statements:
I. Aarti is six years older than Pranavi.
II. Pranavi's sister was born in 1982.
III. 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