You are given a questions and two statements.Identify which of the statements is / are necessary / sufficient to answer the question.Question: X is Y’s brother.Z is mother of Y. How is Y related to X?Statements: 1. Z has only 1 son and 1 daughter2. X is only son of V who is father of Y has 2 children’s

• A. Both 1 and 2 together are sufficient
• B. 2 alone is sufficient while 1 alone is not sufficient
• C. 1 alone is sufficient while 2 alone is not sufficient
• D. Either 1 or 2 alone is sufficient