Find the odd one out from the following and give reason for your choice.
Glass, cotton, nickel, copper

Explanation

To solve the question of finding the odd one out from the list: Glass, Cotton, Nickel, and Copper, we can follow these steps:

### Step 1: Identify the properties of each material
- **Glass**: A non-metallic material that is non-magnetic.
- **Cotton**: A natural fiber that is also non-magnetic.
- **Nickel**: A metallic element that is magnetic.
- **Copper**: A metallic element that is non-magnetic.

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