If you pass through the countryside, you can see that many types of birds follow the grazing animals/buffaloes and catch the disturbing insects due to their walking in the grass. Which is/are such bird(s)? 1. Painted Balak 2. Ordinary Myna 3. Black-necked Stork

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