Combine these two sentences using subordinate clause
The cat leapt onto the chair. It hissed at the dog.
As the cat leapt onto the chair, it hissed at the dog.
Complete the following task based on the instruction and optional input provided.### Instruction:
Combine these two sentences using subordinate clause

### Input:
The cat leapt onto the chair. It hissed at the dog.

### Output:
As the cat leapt onto the chair, it hissed at the dog.