Your goal is to find the secret four-color code. The following colors are possible: red, green, pink, brown, blue, yellow.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['yellow', 'blue', 'green', 'brown']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['red', 'red', 'blue', 'yellow']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['blue', 'yellow', 'pink', 'green']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['green', 'pink', 'red', 'blue']. Hint: two colors are in the correct positions and two colors are in the secret code but in the wrong positions.
A B C D
blue, yellow, yellow, red pink, blue, green, blue pink, blue, pink, yellow pink, green, red, blue