Select the odd word from this list and explain why you chose it.
Cow
Horse
Tiger
Chicken
Pig
Tiger is the odd word out. All words on the list except Tiger are examples of farmyard animals.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Select the odd word from this list and explain why you chose it.
Cow
Horse
Tiger
Chicken
Pig
### Input: 
### Response: Tiger is the odd word out. All words on the list except Tiger are examples of farmyard animals.