How many hands do humans have?
Humans without any genetic defects or major limb injuries have two hands. However a very small number of people have zero, one, or three hands.
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: How many hands do humans have?
### Input: 
### Response: Humans without any genetic defects or major limb injuries have two hands. However a very small number of people have zero, one, or three hands.