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:
Pink Pink Pink Black Pink Black Pink Black
Black Black Pink Pink Pink Pink Pink Pink
Pink Pink Black Pink Pink Pink Pink Black
Black Pink Black Pink Pink Black Pink Black
Black Pink Pink Pink Pink Black Black Black
Pink Pink Pink Black Black Pink Black Pink
Black Black Black Pink Pink Pink Pink Pink
Pink Pink Pink Pink Black Black Pink Black

Output:
Pink Pink


Example 2
Input:
Purple Black Purple Purple Purple Purple
Purple Purple Purple Purple Purple Black
Purple Purple Purple Black Purple Purple
Black Purple Black Purple Black Purple
Purple Purple Purple Purple Purple Purple
Purple Purple Purple Purple Purple Purple

Output:
Purple


Example 3
Input:
Orange Orange Orange Black Orange
Orange Orange Orange Orange Orange
Orange Orange Orange Orange Orange
Orange Orange Black Orange Orange
Black Orange Orange Black Orange
Black Orange Orange Orange Orange

Output:
Orange


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


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
```
assistant