Which of the following statements are true?1. Senior citizens in India have high level of Alzheimer's disease because of consumption of turmeric.2. Senior citizens in India do not have high prevalence of Alzheimer's because of consumption of turmeric.3. Consumption of turmeric enhances cognitive performance.4. Curcumin is an antioxidant.Select the correct answer using the code given below:

• A. 2, 3 and 4
• B. 1, 3 and 4
• C. 1 and 4 only
• D. 1 and 3 only