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:
Black Black Black Black Black
Black Black Black Black Black
Black Black Pink Orange Black
Black Black Purple Yellow Black
Black Black Black Black Black

Output:
Pink Pink Orange Orange
Pink Pink Orange Orange
Purple Purple Yellow Yellow
Purple Purple Yellow Yellow


Example 2
Input:
Black Black Black Black Black
Black Black Black Black Black
Black Black Yellow Orange Black
Black Black Pink Green Black
Black Black Black Black Black

Output:
Yellow Yellow Orange Orange
Yellow Yellow Orange Orange
Pink Pink Green Green
Pink Pink Green Green


Example 3
Input:
Black Black Black Black Black
Black Black Black Black Black
Black Black Brown Gray Black
Black Black Orange Green Black
Black Black Black Black Black

Output:
Brown Brown Gray Gray
Brown Brown Gray Gray
Orange Orange Green Green
Orange Orange Green Green


Here is the input grid for the test example:
Input:
Black Black Black Black Black
Black Black Black Black Black
Black Black Gray Pink Black
Black Black Gray Gray Black
Black 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:

```
Gray Gray Pink Pink
Gray Gray Pink Pink
Gray Gray Gray Gray
Gray Gray Gray Gray
```
assistant