Your goal is to find the secret four-color code. The following colors are possible: blue, yellow, red, pink, black, brown.
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', 'black', 'pink', 'blue']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['blue', 'blue', 'yellow', 'red']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['red', 'yellow', 'blue', 'pink']. 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, black red, yellow, brown, yellow pink, yellow, red, yellow red, pink, blue, yellow