What is a contract plan when it comes to the evaluation phase of a training or development program?

The plan written up by the trainer and given to participants at the beginning of the training to sign and verify they will implement the new training

The plan written up by the trainer and given to participants at the end of the training to sign and verify they will implement the new training

The plan written up near the end of the training by the participants that shows the parts of the training they feel were most beneficial and that they agree to apply after the training

The plan written by the participants at the beginning of the training and given to the trainer to see what skills or knowledge the participants expect to learn in the training