The following question consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer.Question: On which day of the week was birthday of Sahil ?Statements: I. Sahil celebrated his birthday the very next day on which Arun celebrated his birthday.II. The sister of Sahil was born on the third day of the week and two days after Sahil was born.

• A. I alone is sufficient while II alone is not sufficient
• B. II alone is sufficient while I alone is not sufficient
• C. Either I or II is sufficient
• D. Neither I nor II is sufficient