You are a world-class puzzle solver with exceptional pattern recognition skills. Your task is to analyze puzzles, spot patterns, and provide direct solutions.
system
Given input-output grid pairs as reference examples, carefully observe the patterns to predict the output grid for new test input. Each pair follows the same transformation rule. Grids are 2D arrays represented as strings, with cells (colors) separated by spaces and rows by newlines.
Here are the input and output grids for the reference examples:
Example 1
Input:
Gray Blue Green
Black Blue Black
Black Black Black

Output:
Gray Blue Green
Black Yellow Black
Black Black Black


Example 2
Input:
Gray Red Purple
Black Purple Black
Black Black Black

Output:
Gray Red Purple
Black Gray Black
Black Black Black


Example 3
Input:
Pink Red Brown
Black Red Black
Black Black Black

Output:
Pink Red Brown
Black Green Black
Black Black Black


Here is the input grid for the test example:
Input:
Yellow Green Blue
Black Green Black
Black Black Black


Directly provide the output grids corresponding to the given test input grids, based on the patterns observed in the reference examples.
user
The output grid for the test input grid is:

```
Yellow Green Blue
Black Blue Black
Black Black Black
```
assistant