  Here is the Python code based on the given instruction:
```python
import paz
from paz.abstract import ProcessorA
from paz.abstract import GetHeatmapsAndTags
from paz.abstract import ToImageBoxCoordinates
from paz.abstract import code_snippet
from paz.abstract import test_nms_per_class_and_merge_box
from paz.abstract import test_stochastic_and_deterministic_in_sequential_processor
from paz.abstract import test_deterministic_and_stochastic_in_sequential_processor
from paz.abstract import point2D_a
from paz.abstract import origin_A
from paz.abstract import target_A
from paz.abstract import TransformA
from paz.abstract import transform_A
from paz.abstract import split_and_normalize_alpha_channel
from paz.abstract import test_controlmap_reduction_and_flip
from paz.abstract import test_controlmap_reduction_and_retention
from paz.abstract import test_controlmap_reduction_and_keep
from paz.abstract import test_controlmap_reduction_and_selection_to_arg_1
from paz.abstract import test_controlmap_reduction_and_selection_to_arg_2
from paz.abstract import box_coordinates
from paz.abstract import RandomFlipBoxesLeftRight

# Define the image augmentation pipeline
image_augmentation_pipeline = ProcessorA(
    [
        RandomContrast(),
        RandomBrightness(),
        RandomSaturation(),
        RandomHue(),
    ]
)

# Define the box augmentation pipeline
box_augmentation_pipeline = ProcessorA(
    [
        ToImageBoxCoordinates(),
        RandomExpansion(),
        RandomSampleCropping(),
        RandomFlipBoxesLeftRight(),
    ]
)

# Define the preprocessing pipeline
preprocessing_pipeline = ProcessorA(
    [
        GetHeatmapsAndTags(),
        ToImageBoxCoordinates(),
        RandomFlipBoxesLeftRight(),
    ]
)

# Define the drawing pipeline
drawing_pipeline = ProcessorA(
    [
        GetHeatmapsAndTags(),
        ToImageBoxCoordinates(),
        RandomFlipBoxesLeftRight(),
    ]
)

# Define the sequence generator
sequence_generator = ProcessorA(
    [
        image_augmentation_pipeline,
        box_augmentation_pipeline,
        preprocessing_pipeline,
        drawing_pipeline,
    ]
)

# Demonstrate the image and box augmentations
image = paz.abstract.code_snippet.test_image
boxes = paz.abstract.code_snippet.test_boxes

# Apply the image augmentation pipeline
image_augmented = image_augmentation_pipeline(image)

# Apply the box augmentation pipeline
boxes_augmented = box_augmentation_pipeline(boxes)

# Apply the preprocessing pipeline
preprocessed_image, preprocessed_boxes = preprocessing_pipeline(image_augmented, boxes_augmented)

# Apply the drawing pipeline
drawn_image, drawn_boxes = drawing_pipeline(preprocessed_image, preprocessed_boxes)

# Show the results
paz.abstract.code_snippet.test_image_show(image)
paz.abstract.code_snippet.test_boxes_show(boxes)
paz.abstract.code_snippet.test_image_show(image_augmented)
paz.abstract.code_snippet.test_boxes_show(boxes_augmented)
paz.abstract.code_snippet.test_image_show(preprocessed_image)
paz.abstract.code_snippet.test_boxes_show(preprocessed_boxes)
paz.abstract.code_snippet.test_image_show(drawn_image)
paz.abstract.code_snippet.test_boxes_show(drawn_boxes)
```