Changing simulated data to be semi-supervised.

[RobotPsychologist]

Is your feature request related to a problem? Please describe.
No problem, this is an enhancement.

Describe the solution you'd like
Right now the simulator creates the data which provide perfect information on the meal labelling. Ideally this would be altered to reflect real life scenarios. We want to shift the true change points around with some biased noise. We also want to delete some change points completely.

Describe alternatives you've considered
N/A

Additional context
N/A