Given a list of words, find the odd one out.
dog, cat, plane
The odd one out is 'plane' - it is not an animal like the other two words.
Complete the following task based on the instruction and optional input provided.### Instruction:
Given a list of words, find the odd one out.

### Input:
dog, cat, plane

### Output:
The odd one out is 'plane' - it is not an animal like the other two words.