Revert "removed option 1 cell and instructions from preprocessing"
Revert "removed option 1 cell and instructions from preprocessing"

This reverts commit ffd17989815e18bee34b588e7e68e2579cf499af.

turbomanage/training-data-analyst,GoogleCloudPlatform/training-data-analyst,turbomanage/training-data-analyst,turbomanage/training-data-analyst,GoogleCloudPlatform/training-data-analyst,GoogleCloudPlatform/training-data-analyst,GoogleCloudPlatform/training-data-analyst,turbomanage/training-data-analyst,turbomanage/training-data-analyst,GoogleCloudPlatform/training-data-analyst,turbomanage/training-data-analyst,GoogleCloudPlatform/training-data-analyst,turbomanage/training-data-analyst,GoogleCloudPlatform/training-data-analyst,GoogleCloudPlatform/training-data-analyst,GoogleCloudPlatform/training-data-analyst,turbomanage/training-data-analyst,GoogleCloudPlatform/training-data-analyst,GoogleCloudPlatform/training-data-analyst