Q: Pick which sentence is not logical.
Options:
- Sentence A: "A penguin is a type of large black and white sea bird which mostly live in the Antarctic."
- Sentence B: "A penguin is a type of large black and white sea bird which mostly live in the Arctic."

Let's solve this gradually.
Though the climate of the North Pole and the South Pole is similar, there are no penguins found in the North Pole. The answer is Sentence B.