What is the difference between alligator and a crocodile
Snout: Alligators have a wider, U-shaped snout, while crocodiles have a pointier, V-shaped snout. Water: Alligators prefer fresh water, while crocs tend to prefer saltwater or brackish water, which is a combination of saltwater and freshwater.
Instruction: What is the difference between alligator and a crocodile
Context: 
Response: Snout: Alligators have a wider, U-shaped snout, while crocodiles have a pointier, V-shaped snout. Water: Alligators prefer fresh water, while crocs tend to prefer saltwater or brackish water, which is a combination of saltwater and freshwater.