Finish the following sentence with the best choice: How to Tell if an Avocado is Bad

Choices:
- Different varieties of avocado have different skin colours. The most common variety of avocado, the Hass, will change colour to very dark green or purple colour when ripe.
- Different varieties of avocado have different skin colours. The most common variety of avocado, the Hass, will change colour to very light green or purple colour when ripe.

Answer:
Different varieties of avocado have different skin colours. The most common variety of avocado, the Hass, will change colour to very dark green or purple colour when ripe.