Choose the word which is different from the rest.

The answer is C. Potato.

Apple, mango, and orange are all fruits, while potato is a vegetable.

Fruits are sweet and fleshy, while vegetables are usually savory and less sweet.

Fruits are typically eaten raw, while vegetables can be eaten raw or cooked.

Fruits are a good source of vitamins and minerals, while vegetables are a good source of fiber and vitamins.

Overall, potato is the odd one out in this group because it is a vegetable, while the other three options are fruits.