Name 5 possible fuel sources for a futuristic spaceship
Ion fusion, hyper drive, flux capacitator, solar sails, alien venom
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: Name 5 possible fuel sources for a futuristic spaceship
### Input: 
### Response: Ion fusion, hyper drive, flux capacitator, solar sails, alien venom