 
 <prompt> ```Answer this:
Feathers, wings, and the hollow bones of birds na examples of
Available choices: (1). adaptations for flight. (2). responses to stimuli. (3). unnecessary body parts. (4). reproductive structures.``` <response>: ```(1).```
Translate di text above go Nigerian pidgin. If there dey programming code inside, leave am as e be. Don't add any extra statement for your response: 