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:
Determine the difference between the two provided sentences.

### Input:
He has lived in London for a long time.
He has been living in London for a long time.

### Response:
The difference is that the first sentence is in the present perfect tense, while the second sentence is in the present perfect continuous tense.