Re-write the following sentence to make its meaning more precise.
The young female is bouncing up and down on the mattress.
The girl jumps on the bed.
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:
Re-write the following sentence to make its meaning more precise.

### Input:
The girl jumps on the bed.

### Response:
The young female is bouncing up and down on the mattress.