Rewrite the following sentence in a more concise way: "The dog that I saw in the park, it was black in color."
The dog that I saw in the park, it was black in color.
I saw a black dog in the park.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rewrite the following sentence in a more concise way: "The dog that I saw in the park, it was black in color."

### Input:
The dog that I saw in the park, it was black in color.

### Output:
I saw a black dog in the park.