Please answer the following question by reasoning step-by-step.
People used to write with a quill dipped in ink that was made from what part of a bird?\nOptions:\n- feather\n- peacock\n- porcupine\n- hedgehog\n- calligraphy

feather
Quill is made from the feather of a bird.

People uses a quill when it is dipped in ink to write.

.

Final answer: feather